// ASN

AS51561

AS-ICUK, GB

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ASN: AS51561
Organization: UK-ICUK-19990208
Description: AS-ICUK, GB
Country: GB
Registry (RIR): RIPE
Created: 2010-09-07
Updated: 2025-12-23
IPv4 Prefixes: 62
IPv6 Prefixes: 2

IPv4 Prefixes

62 total · showing first 10

138.124.128.0/20
138.124.128.0/24
138.124.134.0/24
138.124.135.0/24
138.124.136.0/24
138.124.137.0/24
138.124.138.0/24
138.124.142.0/24
181.215.32.0/24
185.132.52.0/24

IPv6 Prefixes

2 total

2a00:b900:2::/48
2a00:b900::/32

What is AS51561?

AS51561 is an Autonomous System Number (ASN) assigned to UK-ICUK-19990208. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

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