About this page
United Kingdom is in the Europe region; its IP allocations are governed by RIPE, the Réseaux IP Européens Network Coordination Centre that handles IP and ASN assignments for Europe, Russia, the Middle East, and Central Asia. The list of ASNs above is sourced live from RIPE Stat — it's the set currently routed in the global BGP table.
Curious about a specific ASN?
Click any AS number above for an overview, or paste an IP address into the home page to see which ASN it belongs to.