51561 AS-ICUK - ICUK Computing Services Limited, GB
Adjacency: 6 Upstream: 4 Downstream: 2
Upstream Adjacent AS list
AS7575 AARNET-AS-AP - Australian Academic and Research Network (AARNet), AU
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
AS2914 NTT-DATA-2914 - NTT America, Inc., US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Downstream Adjacent AS list
AS201060 snetterton - SNETTERTON TELECOM LIMITED, GB
AS199204 WebMate - Webmate Internet Services Ltd., GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2744 AS51561 ORG+TRN Originate: 78592 /15.74 Transit: 1024 /22.00 AS-ICUK - ICUK Computing Services Limited, GB
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 5397 AS51561 AS-ICUK - ICUK Computing Services Limited, GB 68 16 7 59 9 13.24% Prefix AS Path Aggregation Suggestion 2.56.84.0/22 4608 7575 51561 5.133.168.0/22 4608 7575 51561 + Announce - aggregate of 5.133.168.0/23 (4608 7575 51561) and 5.133.170.0/23 (4608 7575 51561) 5.133.168.0/23 4608 7575 51561 - Withdrawn - aggregated with 5.133.170.0/23 (4608 7575 51561) 5.133.170.0/23 4608 7575 51561 - Withdrawn - aggregated with 5.133.168.0/23 (4608 7575 51561) 5.254.162.0/23 4608 7575 51561 5.254.164.0/23 4608 7575 51561 37.235.43.0/24 4608 7575 51561 45.93.112.0/22 4608 7575 51561 45.93.112.0/23 4608 13335 51561 45.145.86.0/23 4608 7575 51561 46.33.128.0/19 4608 7575 51561 46.33.128.0/24 4608 13335 51561 46.33.130.0/24 4608 7575 2914 51561 46.33.156.0/24 4608 7575 2914 51561 46.102.192.0/19 4608 7575 51561 46.102.192.0/23 4608 13335 51561 + Announce - aggregate of 46.102.192.0/24 (4608 13335 51561) and 46.102.193.0/24 (4608 13335 51561) 46.102.192.0/24 4608 13335 51561 - Withdrawn - aggregated with 46.102.193.0/24 (4608 13335 51561) 46.102.193.0/24 4608 13335 51561 - Withdrawn - aggregated with 46.102.192.0/24 (4608 13335 51561) 46.226.120.0/24 4608 7575 51561 80.95.192.0/20 4608 7575 51561 80.209.128.0/19 4608 7575 51561 80.209.128.0/24 4608 13335 51561 80.209.155.0/24 4608 7575 3356 51561 80.209.159.0/24 4608 13335 51561 80.209.160.0/20 4608 7575 51561 80.209.176.0/21 4608 7575 51561 80.209.184.0/22 4608 7575 51561 80.247.216.0/24 4608 7575 51561 82.39.142.0/24 4608 7575 51561 89.107.24.0/22 4608 7575 51561 91.233.33.0/24 4608 7575 51561 138.124.128.0/20 4608 7575 51561 138.124.128.0/24 4608 7575 2914 51561 138.124.134.0/23 4608 7575 2914 51561 + Announce - aggregate of 138.124.134.0/24 (4608 7575 2914 51561) and 138.124.135.0/24 (4608 7575 2914 51561) 138.124.134.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 138.124.135.0/24 (4608 7575 2914 51561) 138.124.135.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 138.124.134.0/24 (4608 7575 2914 51561) 138.124.136.0/23 4608 7575 2914 51561 + Announce - aggregate of 138.124.136.0/24 (4608 7575 2914 51561) and 138.124.137.0/24 (4608 7575 2914 51561) 138.124.136.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 138.124.137.0/24 (4608 7575 2914 51561) 138.124.137.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 138.124.136.0/24 (4608 7575 2914 51561) 138.124.138.0/24 4608 7575 2914 51561 138.124.142.0/24 4608 7575 2914 51561 181.215.32.0/24 4608 7575 51561 51561 51561 185.2.236.0/22 4608 7575 51561 185.32.55.0/24 4608 7575 51561 185.35.148.0/22 4608 13335 51561 185.35.148.0/22 4608 7575 2914 51561 + Announce - aggregate of 185.35.148.0/23 (4608 7575 2914 51561) and 185.35.150.0/23 (4608 7575 2914 51561) 185.35.148.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 185.35.149.0/24 (4608 7575 2914 51561) 185.35.149.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 185.35.148.0/24 (4608 7575 2914 51561) 185.35.150.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 185.35.151.0/24 (4608 7575 2914 51561) 185.35.151.0/24 4608 7575 2914 51561 - Withdrawn - aggregated with 185.35.150.0/24 (4608 7575 2914 51561) 185.132.52.0/24 4608 7575 51561 185.137.240.0/24 4608 13335 51561 185.140.16.0/23 4608 7575 2914 51561 185.140.18.0/23 4608 7575 51561 185.145.152.0/22 4608 7575 51561 185.145.152.0/24 4608 7575 2914 51561 185.152.2.0/24 4608 7575 51561 185.201.208.0/22 4608 7575 51561 185.234.255.0/24 4608 7575 51561 185.243.62.0/23 4608 7575 51561 + Announce - aggregate of 185.243.62.0/24 (4608 7575 51561) and 185.243.63.0/24 (4608 7575 51561) 185.243.62.0/24 4608 7575 51561 - Withdrawn - aggregated with 185.243.63.0/24 (4608 7575 51561) 185.243.63.0/24 4608 7575 51561 - Withdrawn - aggregated with 185.243.62.0/24 (4608 7575 51561) 185.253.88.0/24 4608 7575 51561 188.211.249.0/24 4608 7575 51561 188.240.160.0/19 4608 7575 51561 188.240.160.0/24 4608 13335 51561 188.240.172.0/23 4608 13335 51561 + Announce - aggregate of 188.240.172.0/24 (4608 13335 51561) and 188.240.173.0/24 (4608 13335 51561) 188.240.172.0/24 4608 13335 51561 - Withdrawn - aggregated with 188.240.173.0/24 (4608 13335 51561) 188.240.173.0/24 4608 13335 51561 - Withdrawn - aggregated with 188.240.172.0/24 (4608 13335 51561) 188.240.191.0/24 4608 13335 51561 193.161.9.0/24 4608 7575 51561 193.161.10.0/24 4608 7575 51561 193.187.0.0/24 4608 7575 51561 205.157.160.0/19 4608 7575 51561 205.157.160.0/24 4608 13335 51561
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51561 50 More Specifics 68 Total Advertisements AS-ICUK - ICUK Computing Services Limited, GB
5.133.168.0/23 5.133.168.0/22
5.133.170.0/23 5.133.168.0/22
5.254.162.0/23 5.254.160.0/21
5.254.164.0/23 5.254.160.0/21
37.235.43.0/24 37.235.40.0/21
45.93.112.0/23 45.93.112.0/22
45.145.86.0/23 45.145.84.0/22
46.33.128.0/24 46.33.128.0/19
46.33.130.0/24 46.33.128.0/19
46.33.156.0/24 46.33.128.0/19
46.102.192.0/24 46.102.192.0/19
46.102.193.0/24 46.102.192.0/19
80.209.128.0/19 80.209.128.0/18
80.209.128.0/24 80.209.128.0/18
80.209.155.0/24 80.209.128.0/18
80.209.159.0/24 80.209.128.0/18
80.209.160.0/20 80.209.128.0/18
80.209.176.0/21 80.209.128.0/18
80.209.184.0/22 80.209.128.0/18
80.247.216.0/24 80.247.216.0/22
82.39.142.0/24 82.38.0.0/15
138.124.128.0/24 138.124.128.0/20
138.124.134.0/24 138.124.128.0/20
138.124.135.0/24 138.124.128.0/20
138.124.136.0/24 138.124.128.0/20
138.124.137.0/24 138.124.128.0/20
138.124.138.0/24 138.124.128.0/20
138.124.142.0/24 138.124.128.0/20
181.215.32.0/24 181.214.0.0/15
185.32.55.0/24 185.32.52.0/22
185.35.148.0/24 185.35.148.0/22
185.35.149.0/24 185.35.148.0/22
185.35.150.0/24 185.35.148.0/22
185.35.151.0/24 185.35.148.0/22
185.132.52.0/24 185.132.52.0/22
185.137.240.0/24 185.137.240.0/23
185.140.16.0/23 185.140.16.0/22
185.140.18.0/23 185.140.16.0/22
185.145.152.0/24 185.145.152.0/22
185.152.2.0/24 185.152.0.0/22
185.243.62.0/24 185.243.60.0/22
185.243.63.0/24 185.243.60.0/22
185.253.88.0/24 185.253.88.0/22
188.240.160.0/24 188.240.160.0/19
188.240.172.0/24 188.240.160.0/19
188.240.173.0/24 188.240.160.0/19
188.240.191.0/24 188.240.160.0/19
193.161.9.0/24 193.161.8.0/22
193.161.10.0/24 193.161.8.0/22
205.157.160.0/24 205.157.160.0/19
whois: 402591
IANA has recorded AS51561 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51561\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
%ERROR:201: access denied for 203.119.110.26
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)