diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/customIpPrefix.json b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/customIpPrefix.json
index 26a58c169a5b..2f89e99b89e7 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/customIpPrefix.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/customIpPrefix.json
@@ -392,13 +392,18 @@
             "Commissioning",
             "Commissioned",
             "Decommissioning",
-            "Deprovisioning"
+            "Deprovisioning",
+            "Commissioned-NoInternetAdvertise"
           ],
           "x-ms-enum": {
             "name": "CommissionedState",
             "modelAsString": true
           }
         },
+        "noInternetAdvertise": {
+          "type": "boolean",
+          "description": "Whether to Advertise the range to Internet."
+        },
         "publicIpPrefixes": {
           "readOnly": true,
           "type": "array",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixList.json b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixList.json
index 5d75c388c65a..09075ae9a7c3 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixList.json
@@ -86,6 +86,25 @@
               ]
             },
             "type": "Microsoft.Network/customIpPrefixes"
+          },
+          {
+            "name": "test-customipprefix6",
+            "id": "/subscriptions/subid/resourceGroups/rg3/providers/Microsoft.Network/customIpPrefixes/test-customipprefix8",
+            "etag": "W/\"00000000-0000-0000-0000-00000000\"",
+            "location": "eastus",
+            "properties": {
+              "provisioningState": "Succeeded",
+              "resourceGuid": "00000000-0000-0000-0000-00000000",
+              "cidr": "0.0.7.0/22",
+              "commissionedState": "Commissioning",
+              "signedMessage": "signedMessage",
+              "authorizationMessage": "authorizationMessage",
+              "failedReason": "",
+              "publicIpPrefixes": [],
+              "childCustomIpPrefixes": [],
+              "noInternetAdvertise": false
+            },
+            "type": "Microsoft.Network/customIpPrefixes"
           }
         ]
       }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixListAll.json b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixListAll.json
index b76d5bc8b9e1..f5fc4d11f5e0 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixListAll.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2022-01-01/examples/CustomIpPrefixListAll.json
@@ -121,6 +121,44 @@
               "childCustomIpPrefixes": []
             },
             "type": "Microsoft.Network/customIpPrefixes"
+          },
+          {
+            "name": "test-customipprefix6",
+            "id": "/subscriptions/subid/resourceGroups/rg3/providers/Microsoft.Network/customIpPrefixes/test-customipprefix7",
+            "etag": "W/\"00000000-0000-0000-0000-00000000\"",
+            "location": "eastus",
+            "properties": {
+              "provisioningState": "Succeeded",
+              "resourceGuid": "00000000-0000-0000-0000-00000000",
+              "cidr": "0.0.6.0/22",
+              "commissionedState": "Commissioning",
+              "signedMessage": "signedMessage",
+              "authorizationMessage": "authorizationMessage",
+              "failedReason": "",
+              "publicIpPrefixes": [],
+              "childCustomIpPrefixes": [],
+              "noInternetAdvertise": true
+            },
+            "type": "Microsoft.Network/customIpPrefixes"
+          },
+          {
+            "name": "test-customipprefix6",
+            "id": "/subscriptions/subid/resourceGroups/rg3/providers/Microsoft.Network/customIpPrefixes/test-customipprefix8",
+            "etag": "W/\"00000000-0000-0000-0000-00000000\"",
+            "location": "eastus",
+            "properties": {
+              "provisioningState": "Succeeded",
+              "resourceGuid": "00000000-0000-0000-0000-00000000",
+              "cidr": "0.0.7.0/22",
+              "commissionedState": "Commissioning",
+              "signedMessage": "signedMessage",
+              "authorizationMessage": "authorizationMessage",
+              "failedReason": "",
+              "publicIpPrefixes": [],
+              "childCustomIpPrefixes": [],
+              "noInternetAdvertise": false
+            },
+            "type": "Microsoft.Network/customIpPrefixes"
           }
         ]
       }