You can edit an IP pool - you cannot edit the CIDR and gateway.

Procedure

  1. Log in to the vSphere Web Client.
  2. Click Networking & Security and then under Networking & Security Inventory click NSX Managers.
  3. Click an NSX Manager in the Name column and then click the Manage tab.
  4. Click the Grouping Objects tab and then click IP Pools.
  5. Select an IP pool and click the Edit icon.
  6. Make the appropriate changes and click OK.