ASN Lookup Tool
AS51561 AS-ICUK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS51561
Organisation
ICUK Computing Services Limited
Name
AS-ICUK
Total IPv4 Addresses
58710
Total IPv4 Prefixes
88
Total IPv6 Prefixes
17
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,917 out of 76,961
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2010-09-28
Registration Last Change
2022-12-19
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
IQ flagSAWAD LAND for Information Technology Ltd
NL flagBroadband Hosting B.V.
US flagLevel 3 Parent, LLC
US flagCogent Communications
US flagSprint
Showing 5 of 62
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
GB flagUK-2 Limited
GB flagSNETTERTON TELECOM LIMITED
GB flagBazTel Ltd
GB flagUnchained ISP Limited
GB flagUnchained ISP Limited
Showing 5 of 6
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Range From2.56.84.0
Range To2.56.87.255
Showing 5 of 88
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.