Update gateway-ip-addresses.md

adjust eastus subnet size

Author: BobP-MSFT

articles/synapse-analytics/security/gateway-ip-addresses.md

@@ -73,11 +73,11 @@ We strongly encourage customers to move away from relying on **any individual Ga
 | UK South             | 51.140.184.11, 51.105.64.0, 51.140.144.36, 51.105.72.32 | 51.105.64.32/29, 51.105.72.32/29, 51.140.144.32/29, 51.143.209.224/27 |
 | UK West              | 51.141.8.11, 51.140.208.96, 51.140.208.97 | 51.140.208.96/29, 51.140.209.32/29, 20.58.66.128/27 |
 | Central US           | 104.208.21.1, 13.89.169.20 | 104.208.21.192/29, 13.89.168.192/29, 52.182.136.192/29,20.40.228.128/27 |
-| East US              | 40.121.158.30, 40.79.153.12, 40.78.225.32 | 20.42.65.64/29, 20.42.73.0/29, 52.168.116.64/29, 20.62.132.160/29 |
+| East US              | 40.121.158.30, 40.79.153.12, 40.78.225.32 | 20.42.65.64/29, 20.42.73.0/29, 52.168.116.64/29, 20.62.132.160/27 |
 | East US 2            | 40.79.84.180, 52.177.185.181, 52.167.104.0, 104.208.150.3, 40.70.144.193 | 104.208.150.192/29, 40.70.144.192/29, 52.167.104.192/29,20.62.58.128/27 |
 | North Central US     | 52.162.104.33, 52.162.105.9 | 52.162.105.200/29, 52.162.105.192/29, 20.49.119.32/27, 20.125.171.192/29 |
 | South Central US     | 104.214.16.32, 20.45.121.1, 20.49.88.1 | 20.45.121.32/29, 20.49.88.32/29, 20.49.89.32/29, 40.124.64.136/29, 20.65.132.160/27 |
 | West US              | 104.42.238.205, 13.86.216.196   | 13.86.217.224/29, 20.168.163.192/29, 20.66.3.64/27 |
 | West US 2            | 40.78.240.8, 40.78.248.10  | 13.66.136.192/29, 40.78.240.192/29, 40.78.248.192/29, 20.51.9.128/27 |
 | West US 3            | 20.150.168.0, 20.150.184.2   | 20.150.168.32/29, 20.150.176.32/29, 20.150.184.32/29, 20.150.241.128/27 |
-| West Central US      | 13.78.145.25, 13.78.248.43, 13.71.193.32, 13.71.193.33 | 13.71.193.32/29, 20.69.0.32/27 |
+| West Central US      | 13.78.145.25, 13.78.248.43, 13.71.193.32, 13.71.193.33 | 13.71.193.32/29, 20.69.0.32/27 |