diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateCustomizedValues.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateCustomizedValues.json
new file mode 100644
index 000000000000..2c0428cd315e
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateCustomizedValues.json
@@ -0,0 +1,57 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1",
+      "publicIpPrefixName": "test-ipprefix",
+      "zones": [ "1" ],
+      "parameters": {
+        "properties": {
+          "idleTimeoutInMinutes": 10,
+          "publicIPAddressVersion": "IPv4",
+          "prefixLength":30
+        },
+        "sku": {
+          "name": "Standard"
+        }
+      }
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+          "location" : "westus",
+          "zones": [ "1" ],
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 10,
+            "prefixLength":30
+          },
+          "sku": {
+              "name": "Standard"
+          },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      },
+      "201" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPAddresses/test-ipprefix",
+          "location" : "westus",
+          "zones": [ "1" ],
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 10,
+            "prefixLength":30
+          },
+          "sku": {
+              "name": "Standard"
+          },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      }
+    }
+  }
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateDefaults.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateDefaults.json
new file mode 100644
index 000000000000..f50bb081afb1
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixCreateDefaults.json
@@ -0,0 +1,45 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1",
+      "publicIpPrefixName": "test-ipprefix",
+      "parameters": {}
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+          "location" : "westus",
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 4,
+            "prefixLength":30
+          },
+          "sku": {
+              "name": "Standard"
+          },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      },
+      "201" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+          "location" : "westus",
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 4,
+            "prefixLength":30
+          },
+          "sku": {
+              "name": "Standard"
+          },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      }
+    }
+  }
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixDelete.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixDelete.json
new file mode 100644
index 000000000000..2669b2632b02
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixDelete.json
@@ -0,0 +1,13 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1",
+      "publicIpPrefixName": "test-ipprefix"
+    },
+    "responses" : {
+      "200" : { },
+      "202" : { },
+      "204" : { }
+    }
+  }
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixGet.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixGet.json
new file mode 100644
index 000000000000..5d3594cf936a
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixGet.json
@@ -0,0 +1,33 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1",
+      "publicIpPrefixName": "test-ipprefix"
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+          "location" : "westus",
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 4,
+            "prefixLength":30,
+            "ipPrefix":"192.168.254.2/30",
+            "ipTags" : [
+             ],
+             "publicIPAddresses": [ 
+              { 
+                "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPAddresses/PublicIpAddress1" 
+              } 
+            ] 
+            },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      }
+    }
+  }
+  
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixList.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixList.json
new file mode 100644
index 000000000000..14cb50168543
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixList.json
@@ -0,0 +1,47 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1"
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "value" : [
+            {
+              "name" : "test-ipprefix",
+              "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+              "location" : "westus",
+              "properties" : {
+                "provisioningState" : "Succeeded",
+                "publicIPAddressVersion" : "IPv4",
+                "idleTimeoutInMinutes" : 4,
+                "prefixLength":30,
+                "ipPrefix":"40.85.154.2/30",
+                "ipTags" : [
+                  {
+                    "ipTagType" : "FirstPartyUsage",
+                    "tag" : "SQL"
+                  }
+                 ]
+                },
+              "type" : "Microsoft.Network/publicIPPrefixes"
+            },
+            {
+              "name" : "ipprefix03",
+              "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/ipprefix03",
+              "location" : "westus",
+              "properties" : {
+                "provisioningState" : "Succeeded",
+                "publicIPAddressVersion" : "IPv4",
+                "prefixLength":31,
+                "ipPrefix" : "40.85.153.2/31",                
+                "idleTimeoutInMinutes" : 4
+              },
+              "type" : "Microsoft.Network/publicIPPrefixes"
+            }
+          ]
+        }
+      }
+    }
+  }
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixListAll.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixListAll.json
new file mode 100644
index 000000000000..84e684f60011
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixListAll.json
@@ -0,0 +1,46 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid"
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "value" : [
+            {
+              "name" : "test-ipprefix",
+              "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+              "location" : "westus",
+              "properties" : {
+                "provisioningState" : "Succeeded",
+                "publicIPAddressVersion" : "IPv4",
+                "idleTimeoutInMinutes" : 4,
+                "prefixLength":30,
+                "ipPrefix":"41.85.154.247/30",
+                "publicIPAddresses": [ 
+                    { 
+                      "id": "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPAddresses/PublicIpAddress1" 
+                    } 
+                  ] 
+              },
+              "type" : "Microsoft.Network/publicIPPrefixes"
+            },
+            {
+              "name" : "ipprefix01",
+              "id" : "/subscriptions/subid/resourceGroups/rg2/providers/Microsoft.Network/publicIPPrefixes/ipprefix01",
+              "location" : "westus",
+              "properties" : {
+                "provisioningState" : "Succeeded",
+                "ipPrefix" : "40.85.154.247/30",
+                "publicIPAddressVersion" : "IPv4",
+                "idleTimeoutInMinutes" : 4,
+                "prefixLength":30
+              },
+              "type" : "Microsoft.Network/publicIPPrefixes"
+            }
+          ]
+        }
+      }
+    }
+  }
+  
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixUpdateTags.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixUpdateTags.json
new file mode 100644
index 000000000000..e4ee6b410a0a
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/examples/PublicIpPrefixUpdateTags.json
@@ -0,0 +1,34 @@
+{
+    "parameters" : {
+      "api-version": "2018-07-01",
+      "subscriptionId" : "subid",
+      "resourceGroupName": "rg1",
+      "publicIpPrefixName": "test-ipprefix",
+      "parameters": {
+        "tags": {
+          "tag1": "value1",
+          "tag2": "value2"
+        }
+      }
+    },
+    "responses" : {
+      "200" : {
+        "body" : {
+          "name" : "test-ipprefix",
+          "id" : "/subscriptions/subid/resourceGroups/rg1/providers/Microsoft.Network/publicIPPrefixes/test-ipprefix",
+          "location" : "westus",
+          "properties" : {
+            "provisioningState" : "Succeeded",
+            "publicIPAddressVersion" : "IPv4",
+            "idleTimeoutInMinutes" : 10,
+            "prefixLength":30
+          },
+          "tags": {
+            "tag1": "value1",
+            "tag2": "value2"
+          },
+          "type" : "Microsoft.Network/publicIPPrefixes"
+        }
+      }
+    }
+  }
\ No newline at end of file
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpAddress.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpAddress.json
index 6273e8a4f18d..b15e65db5a9e 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpAddress.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpAddress.json
@@ -369,6 +369,10 @@
           "type": "string",
           "description": "The IP address associated with the public IP address resource."
         },
+        "publicIPPrefix": {
+          "$ref":"./publicIpPrefix.json#/definitions/PublicIPPrefix",
+          "description": "The Public IP Prefix this Public IP Address should be allocated from."
+        },
         "idleTimeoutInMinutes": {
           "type": "integer",
           "format": "int32",
@@ -459,7 +463,7 @@
           "description": "Gets or sets value of the IpTag associated with the public IP. Example SQL, Storage etc"
         }
       },
-      "description": "Contains the IpTag associated with the public IP address"
+      "description": "Contains the IpTag associated with the object"
     }
   }
 }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpPrefix.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpPrefix.json
new file mode 100644
index 000000000000..1b04b8f9ee88
--- /dev/null
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-07-01/publicIpPrefix.json
@@ -0,0 +1,445 @@
+{
+    "swagger": "2.0",
+    "info": {
+      "title": "NetworkManagementClient",
+      "description": "The Microsoft Azure Network management API provides a RESTful set of web services that interact with Microsoft Azure Networks service to manage your network resources. The API has entities that capture the relationship between an end user and the Microsoft Azure Networks service.",
+      "version": "2018-07-01"
+    },
+    "host": "management.azure.com",
+    "schemes": [
+      "https"
+    ],
+    "consumes": [
+      "application/json"
+    ],
+    "produces": [
+      "application/json"
+    ],
+    "security": [
+      {
+        "azure_auth": [
+          "user_impersonation"
+        ]
+      }
+    ],
+    "securityDefinitions": {
+      "azure_auth": {
+        "type": "oauth2",
+        "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/authorize",
+        "flow": "implicit",
+        "description": "Azure Active Directory OAuth2 Flow",
+        "scopes": {
+          "user_impersonation": "impersonate your user account"
+        }
+      }
+    },
+    "paths": {
+      "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/publicIPPrefixes/{publicIpPrefixName}": {
+        "delete": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_Delete",
+          "description": "Deletes the specified public IP prefix.",
+          "parameters": [
+            {
+              "name": "resourceGroupName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the resource group."
+            },
+            {
+              "name": "publicIpPrefixName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the PublicIpPrefix."
+            },
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            }
+          ],
+          "responses": {
+            "204": {
+              "description": "Request successful. Resource does not exist."
+            },
+            "202": {
+              "description": "Accepted and the operation will complete asynchronously."
+            },
+            "200": {
+              "description": "Delete successful."
+            }
+          },
+          "x-ms-examples": {
+            "Delete public IP prefix": { "$ref": "./examples/PublicIpPrefixDelete.json" }
+          },
+          "x-ms-long-running-operation": true
+        },
+        "get": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_Get",
+          "description": "Gets the specified public IP prefix in a specified resource group.",
+          "parameters": [
+            {
+              "name": "resourceGroupName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the resource group."
+            },
+            {
+              "name": "publicIpPrefixName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the PublicIPPrefx."
+            },
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            },
+            {
+              "name": "$expand",
+              "in": "query",
+              "required": false,
+              "type": "string",
+              "description": "Expands referenced resources."
+            }
+          ],
+          "responses": {
+            "200": {
+              "description": "Request successful. The operation returns the resulting PublicIPPrefix resource.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefix"
+              }
+            }
+          },
+          "x-ms-examples": {
+            "Get public IP prefix": { "$ref": "./examples/PublicIpPrefixGet.json" }
+          }
+        },
+        "put": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_CreateOrUpdate",
+          "description": "Creates or updates a static or dynamic public IP prefix.",
+          "parameters": [
+            {
+              "name": "resourceGroupName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the resource group."
+            },
+            {
+              "name": "publicIpPrefixName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the public IP prefix."
+            },
+            {
+              "name": "parameters",
+              "in": "body",
+              "required": true,
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefix"
+              },
+              "description": "Parameters supplied to the create or update public IP prefix operation."
+            },
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            }
+          ],
+          "responses": {
+            "201": {
+              "description": "Create successful. The operation returns the resulting PublicIPPrefix resource.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefix"
+              }
+            },
+            "200": {
+              "description": "Update successful. The operation returns the resulting PublicIPPrefix resource.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefix"
+              }
+            }
+          },
+          "x-ms-examples": {
+            "Create public IP prefix defaults": { "$ref": "./examples/PublicIpPrefixCreateDefaults.json" },
+            "Create public IP prefix allocation method": { "$ref": "./examples/PublicIpPrefixCreateCustomizedValues.json" }
+          },
+          "x-ms-long-running-operation": true
+        },
+        "patch": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_UpdateTags",
+          "description": "Updates public IP prefix tags.",
+          "parameters": [
+            {
+              "name": "resourceGroupName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the resource group."
+            },
+            {
+              "name": "publicIpPrefixName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the public IP prefix."
+            },
+            {
+              "name": "parameters",
+              "in": "body",
+              "required": true,
+              "schema": {
+                "$ref": "./network.json#/definitions/TagsObject"
+              },
+              "description": "Parameters supplied to update public IP prefix tags."
+            },
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            }
+          ],
+          "responses": {
+            "200": {
+              "description": "Update successful. The operation returns the resulting PublicIPPrefix resource.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefix"
+              }
+            }
+          },
+          "x-ms-examples": {
+            "Update public IP prefix tags": { "$ref": "./examples/PublicIpPrefixUpdateTags.json" }
+          },
+          "x-ms-long-running-operation": true
+        }
+      },
+      "/subscriptions/{subscriptionId}/providers/Microsoft.Network/publicIPPrefixes": {
+        "get": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_ListAll",
+          "description": "Gets all the public IP prefixes in a subscription.",
+          "parameters": [
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            }
+          ],
+          "responses": {
+            "200": {
+              "description": "Request successful. The operation returns a list of PublicIPPrefix resources.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefixListResult"
+              }
+            }
+          },
+          "x-ms-examples": {
+            "List all public IP prefixes": { "$ref": "./examples/PublicIpPrefixListAll.json" }
+          },
+          "x-ms-pageable": {
+            "nextLinkName": "nextLink"
+          }
+        }
+      },
+      "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/publicIPPrefixes": {
+        "get": {
+          "tags": [
+            "PublicIPPrefixes"
+          ],
+          "operationId": "PublicIPPrefixes_List",
+          "description": "Gets all public IP prefixes in a resource group.",
+          "parameters": [
+            {
+              "name": "resourceGroupName",
+              "in": "path",
+              "required": true,
+              "type": "string",
+              "description": "The name of the resource group."
+            },
+            {
+              "$ref": "./network.json#/parameters/ApiVersionParameter"
+            },
+            {
+              "$ref": "./network.json#/parameters/SubscriptionIdParameter"
+            }
+          ],
+          "responses": {
+            "200": {
+              "description": "Request successful. The operation returns a list of PublicIPPrefix resources.",
+              "schema": {
+                "$ref": "#/definitions/PublicIPPrefixListResult"
+              }
+            }
+          },
+          "x-ms-examples": {
+            "List resource group public IP prefixes": { "$ref": "./examples/PublicIpPrefixList.json" }
+          },
+          "x-ms-pageable": {
+            "nextLinkName": "nextLink"
+          }
+        }
+      }
+    },
+    "definitions": {
+      "PublicIPPrefixSku": {
+        "properties": {
+          "name": {
+            "type": "string",
+            "description": "Name of a public IP prefix SKU.",
+            "enum": [
+              "Standard"
+            ],
+            "x-ms-enum": {
+              "name": "PublicIPPrefixSkuName",
+              "modelAsString": true
+            }
+          }
+        },
+        "description": "SKU of a public IP prefix"
+      },
+      "PublicIPPrefixPropertiesFormat": {
+        "properties": {
+          "publicIPAddressVersion": {
+            "type": "string",
+            "description": "The public IP address version. Possible values are: 'IPv4' and 'IPv6'.",
+            "enum": [
+              "IPv4",
+              "IPv6"
+            ],
+            "x-ms-enum": {
+              "name": "IPVersion",
+              "modelAsString": true
+            }
+          },
+          "ipTags": {
+            "type": "array",
+            "items": {
+              "$ref": "#/definitions/IpTag"
+            },
+            "description": "The list of tags associated with the public IP prefix."
+          },
+          "prefixLength": {
+            "type": "integer",
+            "format":"int32",
+            "description": "The Length of the Public IP Prefix."
+          },
+          "ipPrefix" : {
+            "type":"string",
+            "description": "The allocated Prefix"
+          },
+          "publicIPAddresses": {
+            "type":"array",
+            "items":{
+             "$ref": "#/definitions/ReferencedPublicIpAddress"
+            },
+            "description":"The list of all referenced PublicIPAddresses"
+          },
+          "idleTimeoutInMinutes": {
+            "type": "integer",
+            "format": "int32",
+            "description": "The idle timeout of the public IP prefix."
+          },
+          "resourceGuid": {
+            "type": "string",
+            "description": "The resource GUID property of the public IP prefix resource."
+          },
+          "provisioningState": {
+            "type": "string",
+            "description": "The provisioning state of the Public IP prefix resource. Possible values are: 'Updating', 'Deleting', and 'Failed'."
+          }
+        },
+        "description": "Public IP prefix properties."
+      },
+      "PublicIPPrefix": {
+        "properties": {
+          "sku": {
+            "$ref": "#/definitions/PublicIPPrefixSku",
+            "description": "The public IP prefix SKU."
+          },
+          "properties": {
+            "x-ms-client-flatten": true,
+            "$ref": "#/definitions/PublicIPPrefixPropertiesFormat",
+            "description": "Public IP prefix properties."
+          },
+          "etag": {
+            "type": "string",
+            "description": "A unique read-only string that changes whenever the resource is updated."
+          },
+          "zones": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "description": "A list of availability zones denoting the IP allocated for the resource needs to come from."
+          }
+        },
+        "allOf": [
+          {
+            "$ref": "./network.json#/definitions/Resource"
+          }
+        ],
+        "description": "Public IP prefix resource."
+      },
+      "PublicIPPrefixListResult": {
+        "properties": {
+          "value": {
+            "type": "array",
+            "items": {
+              "$ref": "#/definitions/PublicIPPrefix"
+            },
+            "description": "A list of public IP prefixes that exists in a resource group."
+          },
+          "nextLink": {
+            "type": "string",
+            "description": "The URL to get the next set of results."
+          }
+        },
+        "description": "Response for ListPublicIpPrefixes API service call."
+      },
+      "IpTag": {
+        "properties": {
+          "ipTagType": {
+            "type": "string",
+            "description": "Gets or sets the ipTag type: Example FirstPartyUsage."
+          },
+          "tag": {
+            "type": "string",
+            "description": "Gets or sets value of the IpTag associated with the public IP. Example SQL, Storage etc"
+          }
+        },
+        "description": "Contains the IpTag associated with the object"
+      },
+      "ReferencedPublicIpAddress":{
+        "properties":{
+          "id":{
+            "type":"string",
+            "description":"The PublicIPAddress Reference"
+          }
+        }
+      }
+    }
+}
\ No newline at end of file
diff --git a/specification/network/resource-manager/readme.md b/specification/network/resource-manager/readme.md
index 5bca24e6389a..6694a1218e7b 100644
--- a/specification/network/resource-manager/readme.md
+++ b/specification/network/resource-manager/readme.md
@@ -53,6 +53,7 @@ input-file:
 - Microsoft.Network/stable/2018-07-01/networkWatcher.json
 - Microsoft.Network/stable/2018-07-01/operation.json
 - Microsoft.Network/stable/2018-07-01/publicIpAddress.json
+- Microsoft.Network/stable/2018-07-01/publicIpPrefix.json
 - Microsoft.Network/stable/2018-07-01/routeFilter.json
 - Microsoft.Network/stable/2018-07-01/routeTable.json
 - Microsoft.Network/stable/2018-07-01/serviceCommunity.json
@@ -628,6 +629,9 @@ directive:
   - suppress: RequiredPropertiesMissingInResourceModel
     from: publicIpAddress.json
     reason: name, id and type properties are inherited from the upper level
+  - suppress: RequiredPropertiesMissingInResourceModel
+    from: publicIpPrefix.json
+    reason: name, id and type properties are inherited from the upper level    
   - suppress: RequiredPropertiesMissingInResourceModel
     from: routeFilter.json
     reason: name, id and type properties are inherited from the upper level