PPTP

PPTP:
  Firmware: 1
  Hostname: st_
  Vendor: MikroTik

HTTP/1.1 407 OK
Date: Wed, 20 Jan 2021 05:55:41 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 34
Connection: keep-alive

please add white ip 224.49.237.210