asn.dev

Address space

AS5400 BT

IPv4 prefixes 77 713K addresses
IPv6 prefixes 55
Most common size /19 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 5
5
/17
/17: 3
3
/18
/18: 6
6
/19
/19: 17
17
/20
/20: 4
4
/21
/21: 8
8
/22
/22: 7
7
/23
/23: 12
12
/24
/24: 15
15

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
/24
/24: 1
1
/25
/25: 3
3
/26
/26: 2
2
/27
/27: 2
2
/28
/28: 1
1
/29
/29: 3
3
/30
/30: 5
5
/31
/31: 4
4
/32
/32: 8
8
/33
/33: 1
1
/35
/35: 1
1
/36
/36: 3
3
/37
/37: 4
4
/38
/38: 5
5
/39
/39: 9
9
/40
/40: 3
3

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom132

Inventory

All prefixes

132 total
PrefixFamilyAddressesCountryFlags
31.95.0.0/21IPv42,048GB
31.95.14.0/23IPv4512GB
31.95.16.0/20IPv44,096GB
31.95.48.0/21IPv42,048GB
31.95.56.0/24IPv4256GB
31.95.64.0/21IPv42,048GB
31.95.96.0/19IPv48,192GB
31.95.160.0/20IPv44,096GB
31.95.184.0/21IPv42,048GB
31.95.208.0/21IPv42,048GB
31.95.218.0/23IPv4512GB
31.95.220.0/22IPv41,024GB
31.95.240.0/22IPv41,024GB
31.95.246.0/23IPv4512GB
31.95.248.0/22IPv41,024GB
31.95.254.0/23IPv4512GB
46.248.8.0/22IPv41,024GB
62.5.0.0/17IPv432,768GB
62.102.0.0/17IPv432,768GB
62.134.0.0/16IPv465,536GB
62.172.0.0/21IPv42,048GB
62.173.192.0/18IPv416,384GB
62.180.0.0/16IPv465,536GB
80.255.160.0/20IPv44,096GB
82.138.160.0/19IPv48,192GB
82.150.0.0/19IPv48,192GB
132.244.64.0/21IPv42,048GB
132.244.72.0/22IPv41,024GB
132.244.76.0/23IPv4512GB
132.244.78.0/24IPv4256GB
132.244.240.0/24IPv4256GB
136.238.84.0/23IPv4512GB
136.238.224.0/24IPv4256GB
166.49.128.0/17IPv432,768GB
185.94.0.0/22IPv41,024GB
185.249.4.0/24IPv4256GB
192.109.52.0/24IPv4256GB
193.202.26.0/24IPv4256GB
194.33.53.0/24IPv4256GB
194.33.54.0/23IPv4512GB
194.50.160.0/24IPv4256GB
194.74.80.0/21IPv42,048GB
194.76.40.0/24IPv4256GB
194.107.114.0/24IPv4256GB
194.213.64.0/19IPv48,192GB
195.36.82.0/24IPv4256GB
195.60.182.0/23IPv4512GB
195.66.70.0/24IPv4256GB
195.90.64.0/19IPv48,192GB
195.99.64.0/20IPv44,096GB
195.100.0.0/16IPv465,536GB
195.163.0.0/16IPv465,536GB
195.171.36.0/22IPv41,024GB
195.182.96.0/19IPv48,192GB
198.178.236.0/24IPv4256GB
203.158.68.0/23IPv4512GB
203.158.72.0/23IPv4512GB
203.158.76.0/23IPv4512GB
203.158.88.0/23IPv4512GB
204.52.188.0/24IPv4256GB
206.73.0.0/18IPv416,384GB
206.73.64.0/19IPv48,192GB
206.73.96.0/19IPv48,192GB
206.73.128.0/19IPv48,192GB
206.73.160.0/19IPv48,192GB
206.73.192.0/18IPv416,384GB
212.8.160.0/19IPv48,192GB
212.21.192.0/19IPv48,192GB
212.31.192.0/19IPv48,192GB
212.41.128.0/19IPv48,192GB
212.108.0.0/19IPv48,192GB
212.127.0.0/19IPv48,192GB
212.162.192.0/18IPv416,384GB
213.15.0.0/16IPv465,536GB
213.137.160.0/19IPv48,192GB
213.194.0.0/18IPv416,384GB
213.236.64.0/18IPv416,384GB
2001:740::/32IPv6—GB
2402:fb00:8000::/39IPv6—GB
2402:fb00:8400::/39IPv6—GB
2402:fb00:8800::/40IPv6—GB
2402:fb00:c000::/38IPv6—GB
2606:f100:d000::/39IPv6—GB
2606:f100:d400::/38IPv6—GB
2606:f100:d800::/37IPv6—GB
2606:f100:e400::/39IPv6—GB
2a00:2000::/25IPv6—GB
2a00:2080::/30IPv6—GB
2a00:2084::/32IPv6—GB
2a00:2085::/32IPv6—GB
2a00:2086::/32IPv6—GB
2a00:2087::/32IPv6—GB
2a00:2088::/30IPv6—GB
2a00:208c::/31IPv6—GB
2a00:208e::/31IPv6—GB
2a00:2090::/32IPv6—GB
2a00:2091::/32IPv6—GB
2a00:2092::/31IPv6—GB
2a00:2094::/30IPv6—GB
2a00:2098::/29IPv6—GB
2a00:20a0::/27IPv6—GB
2a00:20c0::/26IPv6—GB
2a00:2100::/24IPv6—GB
2a00:2200::/37IPv6—GB
2a00:2200:800::/39IPv6—GB
2a00:2200:a00::/39IPv6—GB
2a00:2200:c00::/39IPv6—GB
2a00:2200:e00::/39IPv6—GB
2a00:2200:1000::/36IPv6—GB
2a00:2200:2000::/40IPv6—GB
2a00:2200:2100::/40IPv6—GB
2a00:2200:2200::/39IPv6—GB
2a00:2200:2400::/38IPv6—GB
2a00:2200:2800::/37IPv6—GB
2a00:2200:3000::/36IPv6—GB
2a00:2200:4000::/36IPv6—GB
2a00:2200:5000::/38IPv6—GB
2a00:2200:5400::/38IPv6—GB
2a00:2200:5800::/37IPv6—GB
2a00:2200:6000::/35IPv6—GB
2a00:2200:8000::/33IPv6—GB
2a00:2201::/32IPv6—GB
2a00:2202::/31IPv6—GB
2a00:2204::/30IPv6—GB
2a00:2208::/29IPv6—GB
2a00:2210::/28IPv6—GB
2a00:2220::/27IPv6—GB
2a00:2240::/26IPv6—GB
2a00:2280::/25IPv6—GB
2a00:2300::/25IPv6—GB
2a0c:7c80::/29IPv6—GB
2a0c:8480::/30IPv6—GB