asn.dev

Address space

AS51561 AS-ICUK

IPv4 prefixes 62 71.94K addresses
IPv6 prefixes 17
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 2
2
/20
/20: 4
4
/21
/21: 6
6
/22
/22: 15
15
/23
/23: 10
10
/24
/24: 25
25

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom79

Inventory

All prefixes

79 total
PrefixFamilyAddressesCountryFlags
2.56.84.0/22IPv41,024GB
5.133.168.0/22IPv41,024GB
5.254.162.0/23IPv4512GB
5.254.164.0/23IPv4512GB
37.235.43.0/24IPv4256GB
45.93.112.0/22IPv41,024GB
45.145.86.0/23IPv4512GB
46.33.128.0/23IPv4512GB
46.33.130.0/24IPv4256GB
46.33.131.0/24IPv4256GB
46.33.132.0/22IPv41,024GB
46.33.136.0/21IPv42,048GB
46.33.144.0/21IPv42,048GB
46.33.152.0/22IPv41,024GB
46.33.156.0/24IPv4256GB
46.33.157.0/24IPv4256GB
46.33.158.0/23IPv4512GB
46.102.192.0/23IPv4512GB
46.102.194.0/23IPv4512GB
46.102.196.0/22IPv41,024GB
46.102.200.0/21IPv42,048GB
46.102.208.0/20IPv44,096GB
46.226.120.0/24IPv4256GB
80.95.192.0/20IPv44,096GB
80.209.128.0/20IPv44,096GB
80.209.144.0/21IPv42,048GB
80.209.152.0/22IPv41,024GB
80.209.156.0/22IPv41,024GB
80.209.160.0/20IPv44,096GB
80.209.176.0/21IPv42,048GB
80.209.184.0/22IPv41,024GB
80.247.216.0/24IPv4256GB
82.39.142.0/24IPv4256GB
89.107.24.0/22IPv41,024GB
91.233.33.0/24IPv4256GB
138.124.128.0/21IPv42,048GB
138.124.136.0/23IPv4512GB
138.124.138.0/24IPv4256GB
138.124.139.0/24IPv4256GB
138.124.140.0/23IPv4512GB
138.124.142.0/24IPv4256GB
138.124.143.0/24IPv4256GB
181.215.32.0/24IPv4256GB
185.2.236.0/22IPv41,024GB
185.32.55.0/24IPv4256GB
185.35.148.0/22IPv41,024GB
185.132.52.0/24IPv4256GB
185.137.240.0/24IPv4256GB
185.140.16.0/22IPv41,024GB
185.145.152.0/22IPv41,024GB
185.152.2.0/24IPv4256GB
185.201.208.0/22IPv41,024GB
185.234.255.0/24IPv4256GB
185.243.62.0/23IPv4512GB
185.253.88.0/24IPv4256GB
188.211.249.0/24IPv4256GB
188.240.160.0/19IPv48,192GB
193.161.9.0/24IPv4256GB
193.161.10.0/24IPv4256GB
193.187.0.0/24IPv4256GB
205.157.160.0/19IPv48,192GB
217.22.12.0/24IPv4256GB
2a00:b900::/47IPv6—GB
2a00:b900:2::/48IPv6—GB
2a00:b900:3::/48IPv6—GB
2a00:b900:4::/46IPv6—GB
2a00:b900:8::/45IPv6—GB
2a00:b900:10::/44IPv6—GB
2a00:b900:20::/43IPv6—GB
2a00:b900:40::/42IPv6—GB
2a00:b900:80::/41IPv6—GB
2a00:b900:100::/40IPv6—GB
2a00:b900:200::/39IPv6—GB
2a00:b900:400::/38IPv6—GB
2a00:b900:800::/37IPv6—GB
2a00:b900:1000::/36IPv6—GB
2a00:b900:2000::/35IPv6—GB
2a00:b900:4000::/34IPv6—GB
2a00:b900:8000::/33IPv6—GB