About IP Address 81.45.21.0
81.45.21.0 is a public IPv4 address announced by Telefonica Audiovisual Digital S.L.U. under AS31418, geolocated to Madrid, Spain.
IP geolocation identifies the registered network location, not a precise street address. Country-level accuracy is typically 95-99%; city-level accuracy varies. Learn more about IP geolocation →
Frequently Asked Questions
Where is IP 81.45.21.0 located?
IP address 81.45.21.0 is located in Madrid, Madrid, Spain.
Who owns IP address 81.45.21.0?
IP 81.45.21.0 is operated by Telefonica Audiovisual Digital S.L.U. under autonomous system AS31418.
Is 81.45.21.0 a VPN or proxy?
No - 81.45.21.0 does not appear on public VPN, datacenter, or Tor exit lists. Use the live checker for deeper detection.