NSX Autonomous Edge REST API

IPv4Address (type)

{
  "id": "IPv4Address", 
  "maxLength": 255, 
  "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$", 
  "title": "IPv4 address", 
  "type": "string"
}