diff --git a/core-services/prow/02_config/_boskos.yaml b/core-services/prow/02_config/_boskos.yaml
index 626cd817354f7..48954e116966a 100644
--- a/core-services/prow/02_config/_boskos.yaml
+++ b/core-services/prow/02_config/_boskos.yaml
@@ -1,15 +1,378 @@
 # generated with generate-boskos.py; do not edit directly
 resources:
-- max-count: 150
-  min-count: 150
+- names:
+  - us-east-1--00
+  - us-east-1--01
+  - us-east-1--02
+  - us-east-1--03
+  - us-east-1--04
+  - us-east-1--05
+  - us-east-1--06
+  - us-east-1--07
+  - us-east-1--08
+  - us-east-1--09
+  - us-east-1--10
+  - us-east-1--11
+  - us-east-1--12
+  - us-east-1--13
+  - us-east-1--14
+  - us-east-1--15
+  - us-east-1--16
+  - us-east-1--17
+  - us-east-1--18
+  - us-east-1--19
+  - us-east-1--20
+  - us-east-1--21
+  - us-east-1--22
+  - us-east-1--23
+  - us-east-1--24
+  - us-east-1--25
+  - us-east-1--26
+  - us-east-1--27
+  - us-east-1--28
+  - us-east-1--29
+  - us-east-1--30
+  - us-east-1--31
+  - us-east-1--32
+  - us-east-1--33
+  - us-east-1--34
+  - us-east-1--35
+  - us-east-1--36
+  - us-east-1--37
+  - us-east-1--38
+  - us-east-1--39
+  - us-east-1--40
+  - us-east-1--41
+  - us-east-1--42
+  - us-east-1--43
+  - us-east-1--44
+  - us-east-1--45
+  - us-east-1--46
+  - us-east-1--47
+  - us-east-1--48
+  - us-east-1--49
+  - us-east-2--00
+  - us-east-2--01
+  - us-east-2--02
+  - us-east-2--03
+  - us-east-2--04
+  - us-east-2--05
+  - us-east-2--06
+  - us-east-2--07
+  - us-east-2--08
+  - us-east-2--09
+  - us-east-2--10
+  - us-east-2--11
+  - us-east-2--12
+  - us-east-2--13
+  - us-east-2--14
+  - us-east-2--15
+  - us-east-2--16
+  - us-east-2--17
+  - us-east-2--18
+  - us-east-2--19
+  - us-east-2--20
+  - us-east-2--21
+  - us-east-2--22
+  - us-east-2--23
+  - us-east-2--24
+  - us-east-2--25
+  - us-east-2--26
+  - us-east-2--27
+  - us-east-2--28
+  - us-east-2--29
+  - us-east-2--30
+  - us-east-2--31
+  - us-east-2--32
+  - us-east-2--33
+  - us-east-2--34
+  - us-east-2--35
+  - us-east-2--36
+  - us-east-2--37
+  - us-east-2--38
+  - us-east-2--39
+  - us-east-2--40
+  - us-east-2--41
+  - us-east-2--42
+  - us-east-2--43
+  - us-east-2--44
+  - us-east-2--45
+  - us-east-2--46
+  - us-east-2--47
+  - us-east-2--48
+  - us-east-2--49
+  - us-west-1--00
+  - us-west-1--01
+  - us-west-1--02
+  - us-west-1--03
+  - us-west-1--04
+  - us-west-1--05
+  - us-west-1--06
+  - us-west-1--07
+  - us-west-1--08
+  - us-west-1--09
+  - us-west-1--10
+  - us-west-1--11
+  - us-west-1--12
+  - us-west-1--13
+  - us-west-1--14
+  - us-west-1--15
+  - us-west-1--16
+  - us-west-1--17
+  - us-west-1--18
+  - us-west-1--19
+  - us-west-1--20
+  - us-west-1--21
+  - us-west-1--22
+  - us-west-1--23
+  - us-west-1--24
+  - us-west-1--25
+  - us-west-1--26
+  - us-west-1--27
+  - us-west-1--28
+  - us-west-1--29
+  - us-west-1--30
+  - us-west-1--31
+  - us-west-1--32
+  - us-west-1--33
+  - us-west-1--34
+  - us-west-1--35
+  - us-west-1--36
+  - us-west-1--37
+  - us-west-1--38
+  - us-west-1--39
+  - us-west-1--40
+  - us-west-1--41
+  - us-west-1--42
+  - us-west-1--43
+  - us-west-1--44
+  - us-west-1--45
+  - us-west-1--46
+  - us-west-1--47
+  - us-west-1--48
+  - us-west-1--49
+  - us-west-2--00
+  - us-west-2--01
+  - us-west-2--02
+  - us-west-2--03
+  - us-west-2--04
+  - us-west-2--05
+  - us-west-2--06
+  - us-west-2--07
+  - us-west-2--08
+  - us-west-2--09
+  - us-west-2--10
+  - us-west-2--11
+  - us-west-2--12
+  - us-west-2--13
+  - us-west-2--14
+  - us-west-2--15
+  - us-west-2--16
+  - us-west-2--17
+  - us-west-2--18
+  - us-west-2--19
+  - us-west-2--20
+  - us-west-2--21
+  - us-west-2--22
+  - us-west-2--23
+  - us-west-2--24
+  - us-west-2--25
+  - us-west-2--26
+  - us-west-2--27
+  - us-west-2--28
+  - us-west-2--29
+  - us-west-2--30
+  - us-west-2--31
+  - us-west-2--32
+  - us-west-2--33
+  - us-west-2--34
+  - us-west-2--35
+  - us-west-2--36
+  - us-west-2--37
+  - us-west-2--38
+  - us-west-2--39
+  - us-west-2--40
+  - us-west-2--41
+  - us-west-2--42
+  - us-west-2--43
+  - us-west-2--44
+  - us-west-2--45
+  - us-west-2--46
+  - us-west-2--47
+  - us-west-2--48
+  - us-west-2--49
   state: free
   type: aws-quota-slice
-- max-count: 30
-  min-count: 30
+- names:
+  - centralus--00
+  - centralus--01
+  - centralus--02
+  - centralus--03
+  - centralus--04
+  - centralus--05
+  - centralus--06
+  - centralus--07
+  - centralus--08
+  - centralus--09
+  - centralus--10
+  - centralus--11
+  - centralus--12
+  - centralus--13
+  - centralus--14
+  - centralus--15
+  - eastus1--0
+  - eastus1--1
+  - eastus1--2
+  - eastus1--3
+  - eastus1--4
+  - eastus1--5
+  - eastus1--6
+  - eastus1--7
+  - eastus1--8
+  - eastus1--9
+  - eastus2--0
+  - eastus2--1
+  - eastus2--2
+  - eastus2--3
+  - eastus2--4
+  - eastus2--5
+  - eastus2--6
+  - eastus2--7
+  - eastus2--8
+  - eastus2--9
+  - westus--0
+  - westus--1
+  - westus--2
+  - westus--3
+  - westus--4
+  - westus--5
+  - westus--6
+  - westus--7
+  - westus--8
+  - westus--9
   state: free
   type: azure4-quota-slice
-- max-count: 120
-  min-count: 120
+- names:
+  - us-east1--000
+  - us-east1--001
+  - us-east1--002
+  - us-east1--003
+  - us-east1--004
+  - us-east1--005
+  - us-east1--006
+  - us-east1--007
+  - us-east1--008
+  - us-east1--009
+  - us-east1--010
+  - us-east1--011
+  - us-east1--012
+  - us-east1--013
+  - us-east1--014
+  - us-east1--015
+  - us-east1--016
+  - us-east1--017
+  - us-east1--018
+  - us-east1--019
+  - us-east1--020
+  - us-east1--021
+  - us-east1--022
+  - us-east1--023
+  - us-east1--024
+  - us-east1--025
+  - us-east1--026
+  - us-east1--027
+  - us-east1--028
+  - us-east1--029
+  - us-east1--030
+  - us-east1--031
+  - us-east1--032
+  - us-east1--033
+  - us-east1--034
+  - us-east1--035
+  - us-east1--036
+  - us-east1--037
+  - us-east1--038
+  - us-east1--039
+  - us-east1--040
+  - us-east1--041
+  - us-east1--042
+  - us-east1--043
+  - us-east1--044
+  - us-east1--045
+  - us-east1--046
+  - us-east1--047
+  - us-east1--048
+  - us-east1--049
+  - us-east1--050
+  - us-east1--051
+  - us-east1--052
+  - us-east1--053
+  - us-east1--054
+  - us-east1--055
+  - us-east1--056
+  - us-east1--057
+  - us-east1--058
+  - us-east1--059
+  - us-east1--060
+  - us-east1--061
+  - us-east1--062
+  - us-east1--063
+  - us-east1--064
+  - us-east1--065
+  - us-east1--066
+  - us-east1--067
+  - us-east1--068
+  - us-east1--069
+  - us-east1--070
+  - us-east1--071
+  - us-east1--072
+  - us-east1--073
+  - us-east1--074
+  - us-east1--075
+  - us-east1--076
+  - us-east1--077
+  - us-east1--078
+  - us-east1--079
+  - us-east1--080
+  - us-east1--081
+  - us-east1--082
+  - us-east1--083
+  - us-east1--084
+  - us-east1--085
+  - us-east1--086
+  - us-east1--087
+  - us-east1--088
+  - us-east1--089
+  - us-east1--090
+  - us-east1--091
+  - us-east1--092
+  - us-east1--093
+  - us-east1--094
+  - us-east1--095
+  - us-east1--096
+  - us-east1--097
+  - us-east1--098
+  - us-east1--099
+  - us-east1--100
+  - us-east1--101
+  - us-east1--102
+  - us-east1--103
+  - us-east1--104
+  - us-east1--105
+  - us-east1--106
+  - us-east1--107
+  - us-east1--108
+  - us-east1--109
+  - us-east1--110
+  - us-east1--111
+  - us-east1--112
+  - us-east1--113
+  - us-east1--114
+  - us-east1--115
+  - us-east1--116
+  - us-east1--117
+  - us-east1--118
+  - us-east1--119
   state: free
   type: gcp-quota-slice
 - names:
diff --git a/core-services/prow/02_config/generate-boskos.py b/core-services/prow/02_config/generate-boskos.py
index dfc39c4507afc..e23d88d5d36ec 100755
--- a/core-services/prow/02_config/generate-boskos.py
+++ b/core-services/prow/02_config/generate-boskos.py
@@ -5,13 +5,23 @@
 
 CONFIG = {
     'aws-quota-slice': {
-        'default': 150,
+        # Wild guesses.  We'll see when we hit quota issues
+        'us-east-1': 50,
+        'us-east-2': 50,
+        'us-west-1': 50,
+        'us-west-2': 50,
     },
     'azure4-quota-slice': {
-        'default': 30,
+        # Cannot create more than 50 public IP addresses for this subscription in this region.
+        # and each cluster needs three of public IPs: https://docs.openshift.com/container-platform/4.5/installing/installing_azure/installing-azure-account.html#installation-azure-limits_installing-azure-account
+        'centralus': 16,
+        # Wild guesses.  We'll see when we hit quota issues
+        'eastus1': 10,
+        'eastus2': 10,
+        'westus': 10
     },
     'gcp-quota-slice': {
-        'default': 120,
+        'us-east1': 120,
     },
     'libvirt-s390x-quota-slice': {},
     'libvirt-ppc64le-quota-slice': {},
@@ -67,7 +77,13 @@
     else:
         resource['names'] = []
         for name, count in sorted(data.items()):
-            resource['names'].extend([name]*count)
+            if '--' in name:
+                raise ValueError('double-dashes are used internally, so {!r} is invalid'.format(name))
+            if count > 1:
+                width = len(str(count-1))
+                resource['names'].extend(['{name}--{i:0>{width}}'.format(name=name, i=i, width=width) for i in range(count)])
+            else:
+                resource['names'].append(name)
     config['resources'].append(resource)
 
 with open('_boskos.yaml', 'w') as f: