diff --git a/htdocs/management/ip.html b/htdocs/management/ip.html
index b4db5f383..39ff9ffc7 100644
--- a/htdocs/management/ip.html
+++ b/htdocs/management/ip.html
@@ -1345,7 +1345,7 @@
 my $ip = new NetAddr::IP($o->address, $o->prefix);
 
 push( @field_headers, "Netmask:", "Broadcast:" );
-push( @cell_data, $ip->mask);
+push( @cell_data, ($ip->version == 4 ? $ip->mask : '/'.$o->prefix) );
 push( @cell_data, ($ip->version == 4 ? $ip->broadcast->addr : "n/a") );
 
 ################
@@ -1365,8 +1365,8 @@
     }
 }else{
     $num_addresses = $o->num_addr;
-    $first_address = $ip->network->addr;
-    $last_address  = $ip->broadcast->addr;
+    $first_address = $ip->network->canon;
+    $last_address  = $ip->broadcast->canon;
 }
 push( @cell_data, ($num_addresses." (". $first_address." - ".$last_address.")") );
 	
diff --git a/lib/Netdot/Model/Ipblock.pm b/lib/Netdot/Model/Ipblock.pm
index 0bad1bcb8..2a2fef7d2 100644
--- a/lib/Netdot/Model/Ipblock.pm
+++ b/lib/Netdot/Model/Ipblock.pm
@@ -4,7 +4,7 @@ use base 'Netdot::Model';
 use warnings;
 use strict;
 use Math::BigInt;
-use NetAddr::IP;
+use NetAddr::IP qw(:lower);
 use Net::Patricia 1.19_01;
 use Storable qw(nfreeze thaw);
 use Scalar::Util qw(blessed);