bgpreport

Network · data from 2026-11-12

AS51561 ICUK Computing Services Ltd

Registry name: AS-ICUK ICUK Computing Services Limited, GB · PeeringDB

76IPv4 routes 10.5% RPKI valid · 64.5% with a route object
2IPv6 routes 0.0% RPKI valid · 50.0% with a route object
0RPKI invalid 0 origin · 0 maxLength
70No ROA 28 with no route object for this origin
4Low visibility seen by under 10% of full-table peers
22Route objects not announced registered with origin AS51561, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS51561, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.

46.102.192.0/24 No ROA Nonecovered by 46.102.192.0/19 673 100% 70
46.102.193.0/24 No ROA Nonecovered by 46.102.192.0/19 673 100% 70
185.140.18.0/23 No ROA Nonecovered by 185.140.16.0/22 673 100% 67
188.240.160.0/24 No ROA Nonecovered by 188.240.160.0/19 673 100% 70
188.240.172.0/24 No ROA Nonecovered by 188.240.160.0/19 673 100% 70
188.240.173.0/24 No ROA Nonecovered by 188.240.160.0/19 673 100% 70
188.240.191.0/24 No ROA Nonecovered by 188.240.160.0/19 673 100% 70
205.157.160.0/24 No ROA Nonecovered by 205.157.160.0/23 673 100% 70
46.33.128.0/24 No ROA Nonecovered by 46.33.128.0/19 672 100% 70
80.209.128.0/24 No ROA Nonecovered by 80.209.128.0/19 672 100% 70
80.209.155.0/24 No ROA Nonecovered by 80.209.128.0/19 672 100% 67
80.209.159.0/24 No ROA Nonecovered by 80.209.128.0/19 672 100% 70
138.124.128.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.134.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.135.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.136.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.137.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.138.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
138.124.142.0/24 No ROA Nonecovered by 138.124.128.0/20 671 100% 67
185.140.16.0/23 No ROA Nonecovered by 185.140.16.0/22 671 100% 67
185.145.152.0/24 No ROA Nonecovered by 185.145.152.0/22 671 100% 67
46.33.130.0/24 No ROA Nonecovered by 46.33.128.0/19 670 100% 67
46.33.156.0/24 No ROA Nonecovered by 46.33.128.0/19 670 100% 67
2a00:b900:2::/48 No ROA Nonecovered by 2a00:b900::/32 604 95% 67
80.95.207.0/26 No ROA Nonecovered by 80.95.192.0/20 1 0%low visibility 1
80.209.179.144/28 No ROA Nonecovered by 80.209.176.0/21 1 0%low visibility 1
138.124.140.240/29 No ROA Nonecovered by 138.124.128.0/20 1 0%low visibility 1
188.240.180.96/28 No ROA Nonecovered by 188.240.160.0/19 1 0%low visibility 1
45.93.112.0/23 No ROA Other IRR onlyRADB 673 100% 70
2.56.84.0/22 No ROA RIR databaseRIPE 673 100% 67
5.133.168.0/23 No ROA RIR databaseRIPE 673 100% 67
5.133.170.0/23 No ROA RIR databaseRIPE 673 100% 67
5.254.162.0/23 No ROA RIR databaseRIPE 673 100% 67
5.254.164.0/23 No ROA RIR databaseRIPE 673 100% 67
45.93.112.0/22 No ROA RIR databaseRIPE 673 100% 67
45.145.86.0/23 No ROA RIR databaseRIPE 673 100% 67
46.33.128.0/19 No ROA RIR databaseRIPE 673 100% 67
46.102.192.0/19 No ROA RIR databaseRIPE 673 100% 67
80.95.192.0/20 No ROA RIR databaseRIPE 673 100% 67
80.209.128.0/19 No ROA RIR databaseRIPE 673 100% 67
80.209.160.0/20 No ROA RIR databaseRIPE 673 100% 67
80.209.176.0/21 No ROA RIR databaseRIPE 673 100% 67
80.209.184.0/22 No ROA RIR databaseRIPE 673 100% 67
80.209.188.0/23 No ROA RIR databaseRIPE 673 100% 67
80.209.190.0/23 No ROA RIR databaseRIPE 673 100% 67
89.107.24.0/22 No ROA RIR databaseRIPE 673 100% 67
91.233.33.0/24 No ROA RIR databaseRIPE 673 100% 67
138.124.128.0/20 No ROA RIR databaseRIPE 673 100% 67
185.2.236.0/22 No ROA RIR databaseRIPE 673 100% 67
185.32.55.0/24 No ROA RIR databaseRIPE 673 100% 67
185.35.148.0/22 No ROA RIR databaseRIPE 673 100% 70
185.35.148.0/24 No ROA RIR databaseRIPE 673 100% 67
185.35.149.0/24 No ROA RIR databaseRIPE 673 100% 67
185.35.150.0/24 No ROA RIR databaseRIPE 673 100% 67
185.35.151.0/24 No ROA RIR databaseRIPE 673 100% 67
185.132.52.0/24 No ROA RIR databaseRIPE 673 100% 67
185.137.240.0/24 No ROA RIR databaseRIPE 673 100% 70
185.145.152.0/22 No ROA RIR databaseRIPE 673 100% 67
185.201.208.0/22 No ROA RIR databaseRIPE 673 100% 67
185.234.255.0/24 No ROA RIR databaseRIPE 673 100% 67
185.243.62.0/24 No ROA RIR databaseRIPE 673 100% 67
185.243.63.0/24 No ROA RIR databaseRIPE 673 100% 67
188.211.249.0/24 No ROA RIR databaseRIPE 673 100% 67
188.240.160.0/19 No ROA RIR databaseRIPE 673 100% 67
193.187.0.0/24 No ROA RIR databaseRIPE 673 100% 67
205.157.160.0/19 No ROA RIR databaseRIPE 673 100% 67
217.22.12.0/24 No ROA RIR databaseRIPE 673 100% 67
37.235.43.0/24 No ROA RIR databaseRIPE 672 100% 67
185.168.10.0/24 No ROA RIR databaseRIPE 670 100% 67
2a00:b900::/32 No ROA RIR databaseRIPE 635 100% 69
82.39.142.0/24 Valid RIR databaseRADB, RIPE 673 100% 67
185.152.2.0/24 Valid RIR databaseRIPE 673 100% 67
185.253.88.0/24 Valid RIR databaseRIPE 673 100% 67
193.161.9.0/24 Valid RIR databaseRIPE 673 100% 67
193.161.10.0/24 Valid RIR databaseRIPE 673 100% 67
194.15.37.0/24 Valid RIR databaseRIPE 673 100% 67
46.226.120.0/24 Valid RIR databaseRIPE 672 100% 67
80.247.216.0/24 Valid RIR databaseRIPE 672 100% 67

AS-SET

PeeringDB's irr_as_set for AS51561: AS-ICUK. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS51561 isn't in the set, or no route object for AS51561 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.

NameDatabaseASNsSets Route objectsAS51561 in itNot covered
AS-ICUK RIPE 102163 Yes 4

Fix list

The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 121 are in fix.csv.

  • ROA: none70
  • Route object: none28
  • Route object: RIR1
  • Route object: not announced22
ChangePrefix or setDetailFull-table peers
ROA: none46.102.192.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none46.102.192.0/24No route object for it. A route object for 46.102.192.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none46.102.193.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none46.102.193.0/24No route object for it. A route object for 46.102.192.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none185.140.18.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
Route object: none185.140.18.0/23No route object for it. A route object for 185.140.16.0/22 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none188.240.160.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none188.240.160.0/24No route object for it. A route object for 188.240.160.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none188.240.172.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none188.240.172.0/24No route object for it. A route object for 188.240.160.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none188.240.173.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none188.240.173.0/24No route object for it. A route object for 188.240.160.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none188.240.191.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none188.240.191.0/24No route object for it. A route object for 188.240.160.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none205.157.160.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
Route object: none205.157.160.0/24No route object for it. A route object for 205.157.160.0/23 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.673 of 673
ROA: none46.33.128.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.672 of 673
Route object: none46.33.128.0/24No route object for it. A route object for 46.33.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.672 of 673
ROA: none80.209.128.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.672 of 673
Route object: none80.209.128.0/24No route object for it. A route object for 80.209.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.672 of 673
ROA: none80.209.155.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.672 of 673
Route object: none80.209.155.0/24No route object for it. A route object for 80.209.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.672 of 673
ROA: none80.209.159.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.672 of 673
Route object: none80.209.159.0/24No route object for it. A route object for 80.209.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.672 of 673
ROA: none138.124.128.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.128.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.134.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.134.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.135.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.135.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.136.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.136.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.137.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.137.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.138.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.138.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none138.124.142.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none138.124.142.0/24No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none185.140.16.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.671 of 673
Route object: none185.140.16.0/23No route object for it. A route object for 185.140.16.0/22 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none185.145.152.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.671 of 673
Route object: none185.145.152.0/24No route object for it. A route object for 185.145.152.0/22 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.671 of 673
ROA: none46.33.130.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.670 of 673
Route object: none46.33.130.0/24No route object for it. A route object for 46.33.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.670 of 673
ROA: none46.33.156.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.670 of 673
Route object: none46.33.156.0/24No route object for it. A route object for 46.33.128.0/19 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.670 of 673
ROA: none2a00:b900:2::/48No ROA covers it. Add a ROA for AS51561, maxLength 48.604 of 636
Route object: none2a00:b900:2::/48No route object for it. A route object for 2a00:b900::/32 with origin AS51561 covers it (filters allowing more-specifics accept it). Add a route object with origin AS51561 in the RIR database for the space.604 of 636
ROA: none80.95.207.0/26No ROA covers it. Add a ROA for AS51561, maxLength 26.1 of 673
Route object: none80.95.207.0/26No route object for it. A route object for 80.95.192.0/20 with origin AS51561 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS51561 in the RIR database for the space.1 of 673
ROA: none80.209.179.144/28No ROA covers it. Add a ROA for AS51561, maxLength 28.1 of 673
Route object: none80.209.179.144/28No route object for it. A route object for 80.209.176.0/21 with origin AS51561 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS51561 in the RIR database for the space.1 of 673
ROA: none138.124.140.240/29No ROA covers it. Add a ROA for AS51561, maxLength 29.1 of 673
Route object: none138.124.140.240/29No route object for it. A route object for 138.124.128.0/20 with origin AS51561 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS51561 in the RIR database for the space.1 of 673
ROA: none188.240.180.96/28No ROA covers it. Add a ROA for AS51561, maxLength 28.1 of 673
Route object: none188.240.180.96/28No route object for it. A route object for 188.240.160.0/19 with origin AS51561 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS51561 in the RIR database for the space.1 of 673
ROA: none45.93.112.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
Route object: RIR45.93.112.0/23Route object only in RADB. Add it in the RIR database for the space.673 of 673
ROA: none2.56.84.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none5.133.168.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none5.133.170.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none5.254.162.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none5.254.164.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none45.93.112.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none45.145.86.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none46.33.128.0/19No ROA covers it. Add a ROA for AS51561, maxLength 19.673 of 673
ROA: none46.102.192.0/19No ROA covers it. Add a ROA for AS51561, maxLength 19.673 of 673
ROA: none80.95.192.0/20No ROA covers it. Add a ROA for AS51561, maxLength 20.673 of 673
ROA: none80.209.128.0/19No ROA covers it. Add a ROA for AS51561, maxLength 19.673 of 673
ROA: none80.209.160.0/20No ROA covers it. Add a ROA for AS51561, maxLength 20.673 of 673
ROA: none80.209.176.0/21No ROA covers it. Add a ROA for AS51561, maxLength 21.673 of 673
ROA: none80.209.184.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none80.209.188.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none80.209.190.0/23No ROA covers it. Add a ROA for AS51561, maxLength 23.673 of 673
ROA: none89.107.24.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none91.233.33.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none138.124.128.0/20No ROA covers it. Add a ROA for AS51561, maxLength 20.673 of 673
ROA: none185.2.236.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none185.32.55.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.35.148.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none185.35.148.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.35.149.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.35.150.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.35.151.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.132.52.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.137.240.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.145.152.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none185.201.208.0/22No ROA covers it. Add a ROA for AS51561, maxLength 22.673 of 673
ROA: none185.234.255.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.243.62.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none185.243.63.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none188.211.249.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none188.240.160.0/19No ROA covers it. Add a ROA for AS51561, maxLength 19.673 of 673
ROA: none193.187.0.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none205.157.160.0/19No ROA covers it. Add a ROA for AS51561, maxLength 19.673 of 673
ROA: none217.22.12.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.673 of 673
ROA: none37.235.43.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.672 of 673
ROA: none185.168.10.0/24No ROA covers it. Add a ROA for AS51561, maxLength 24.670 of 673
ROA: none2a00:b900::/32No ROA covers it. Add a ROA for AS51561, maxLength 32.635 of 636

Route objects not announced

Route objects with origin AS51561 whose prefix no peer sees AS51561 announce. Many are kept on purpose (backup routes, space announced only in some places).

2.56.84.0/24RIPENo ROA
2.56.85.0/24RIPENo ROA
2.56.86.0/24RIPENo ROA
2.56.87.0/24RIPENo ROA
45.93.112.0/24RIPENo ROA
45.93.114.0/24RIPENo ROA
45.93.115.0/24RIPENo ROA
46.102.223.0/24RIPENo ROA
181.215.32.0/24RADB, RIPEValid
185.2.236.0/24RIPENo ROA
185.2.237.0/24RIPENo ROA
185.2.238.0/24RIPENo ROA
185.2.239.0/24RIPENo ROA
185.137.241.0/24RIPENo ROA
185.140.16.0/22RIPENo ROA
185.140.17.0/24RIPENo ROA
185.140.18.0/24RIPENo ROA
185.140.19.0/24RIPENo ROA
185.168.144.0/22RIPEInvalid: origin
185.168.144.0/24RIPEInvalid: origin
185.168.145.0/24RIPEInvalid: origin
205.157.160.0/23RIPENo ROA

Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.