asn.dev

Address space

AS61323 UKFAST

IPv4 prefixes 46 80.90K addresses
IPv6 prefixes 21
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 2
2
/20
/20: 7
7
/21
/21: 2
2
/22
/22: 29
29
/23
/23: 2
2
/24
/24: 4
4

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
/29
/29: 1
1
/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: 2
2
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom67

Inventory

All prefixes

67 total
PrefixFamilyAddressesCountryFlags
31.193.0.0/20IPv44,096GB
37.220.88.0/21IPv42,048GB
45.67.172.0/22IPv41,024GB
45.84.20.0/22IPv41,024GB
45.131.136.0/22IPv41,024GB
45.145.100.0/22IPv41,024GB
45.152.252.0/24IPv4256GB
45.152.255.0/24IPv4256GB
45.157.40.0/22IPv41,024GB
46.37.160.0/19IPv48,192GB
78.24.88.0/22IPv41,024GB
78.109.160.0/20IPv44,096GB
78.137.112.0/20IPv44,096GB
80.66.200.0/22IPv41,024GB
80.244.176.0/20IPv44,096GB
81.201.128.0/20IPv44,096GB
94.229.160.0/20IPv44,096GB
109.108.128.0/19IPv48,192GB
159.253.208.0/21IPv42,048GB
176.124.52.0/22IPv41,024GB
178.238.128.0/20IPv44,096GB
185.55.76.0/22IPv41,024GB
185.156.64.0/22IPv41,024GB
185.160.180.0/22IPv41,024GB
185.160.252.0/22IPv41,024GB
185.162.68.0/23IPv4512GB
185.162.224.0/22IPv41,024GB
185.166.128.0/22IPv41,024GB
185.181.196.0/22IPv41,024GB
185.182.88.0/22IPv41,024GB
185.197.60.0/22IPv41,024GB
185.207.108.0/22IPv41,024GB
185.210.196.0/22IPv41,024GB
185.213.116.0/22IPv41,024GB
185.216.76.0/22IPv41,024GB
185.217.40.0/22IPv41,024GB
185.220.60.0/22IPv41,024GB
185.221.204.0/22IPv41,024GB
185.226.220.0/22IPv41,024GB
185.234.36.0/22IPv41,024GB
185.241.248.0/22IPv41,024GB
192.166.45.0/24IPv4256GB
192.166.46.0/23IPv4512GB
193.39.252.0/22IPv41,024GB
194.39.164.0/22IPv41,024GB
212.36.126.0/24IPv4256GB
2a02:21a8::/47IPv6—GB
2a02:22d0::/45IPv6—GB
2a02:22d0:8::/46IPv6—GB
2a02:22d0:c::/48IPv6—GB
2a02:22d0:d::/48IPv6—GB
2a02:22d0:e::/47IPv6—GB
2a02:22d0:10::/44IPv6—GB
2a02:22d0:20::/43IPv6—GB
2a02:22d0:40::/42IPv6—GB
2a02:22d0:80::/41IPv6—GB
2a02:22d0:100::/40IPv6—GB
2a02:22d0:200::/39IPv6—GB
2a02:22d0:400::/38IPv6—GB
2a02:22d0:800::/37IPv6—GB
2a02:22d0:1000::/36IPv6—GB
2a02:22d0:2000::/35IPv6—GB
2a02:22d0:4000::/34IPv6—GB
2a02:22d0:8000::/33IPv6—GB
2a09:b600:5::/48IPv6—GB
2a09:ba00:4::/48IPv6—GB
2a0c:3dc0::/29IPv6—GB