You can view the subnets for an IP block from the NSX Manager GUI. Adding or deleting IP block subnets after NCP is installed and running is not recommended.
- From a browser, log in to the NSX Manager at https://<nsx-manager-IP-address-or-domain-name>.
- Navigate to Networking > IPAM.
A list of the existing IP blocks is displayed.
- Click an IP block name
- Click the Subnets tab.