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AS201838 ASN-COMMUNITYFIBRE Community Fibre Limited

ASN-COMMUNITYFIBRE Community Fibre Limited · registered in the United Kingdom

IPv4 addresses221,952100 prefixes · 0.007% of announced IPv4
Rank in United Kingdom#27largest network in GB by IPv4 space, of 2,074 · 0.33% of GB
Rank worldwide#1,009of 79,396 networks with IPv4
IPv617 x /32 (1,114,112 x /48)2 prefixes
CountryUnited Kingdom2,261 ASNs registered there
Open AS201838 in ASN lookup Look up an IP in this network (45.12.172.1) All networks in United Kingdom

IPv4 prefixes

All 100 prefixes, in address order.

  • 45.12.172.0/22
  • 45.81.72.0/22
  • 45.86.8.0/22
  • 45.89.84.0/22
  • 45.89.156.0/22
  • 45.90.172.0/22
  • 45.90.200.0/22
  • 45.91.112.0/22
  • 45.92.232.0/22
  • 45.93.172.0/22
  • 45.94.60.0/22
  • 45.94.176.0/22
  • 45.95.236.0/22
  • 45.95.248.0/22
  • 45.117.136.0/22
  • 45.128.32.0/22
  • 45.128.136.0/22
  • 45.132.136.0/21
  • 45.133.88.0/22
  • 45.136.232.0/22
  • 45.141.236.0/22
  • 45.144.56.0/22
  • 45.144.160.0/22
  • 45.145.148.0/22
  • 45.146.8.0/22
  • 45.146.60.0/22
  • 45.147.32.0/22
  • 45.148.12.0/22
  • 45.148.56.0/22
  • 45.148.252.0/22
  • 45.149.72.0/22
  • 45.149.220.0/22
  • 45.150.144.0/22
  • 45.152.4.0/22
  • 45.153.220.0/22
  • 45.159.88.0/22
  • 45.159.152.0/22
  • 45.248.144.0/22
  • 46.102.170.0/23
  • 62.133.48.0/22
  • 62.197.132.0/22
  • 77.75.60.0/22
  • 79.171.153.0/24
  • 79.171.154.0/23
  • 79.171.156.0/22
  • 80.76.56.0/22
  • 89.36.112.0/20
  • 89.43.208.0/21
  • 89.45.176.0/20
  • 89.222.16.0/20
  • 91.209.86.0/24
  • 93.113.26.0/23
  • 94.176.208.0/23
  • 94.177.138.0/23
  • 94.247.86.0/23
  • 95.214.184.0/22
  • 95.214.228.0/22
  • 103.7.204.0/22
  • 103.205.24.0/22
  • 130.255.16.0/22
  • 130.255.28.0/22
  • 147.12.128.0/17
  • 149.22.128.0/17
  • 149.34.128.0/18
  • 154.49.103.0/24
  • 161.51.48.0/20
  • 161.51.96.0/23
  • 161.51.192.0/19
  • 161.51.224.0/20
  • 161.51.252.0/23
  • 168.199.64.0/19
  • 171.22.104.0/22
  • 178.239.192.0/22
  • 178.239.200.0/22
  • 178.255.88.0/21
  • 185.59.124.0/22
  • 185.71.36.0/22
  • 185.103.72.0/22
  • 185.111.172.0/22
  • 185.115.144.0/22
  • 185.121.228.0/22
  • 185.229.104.0/22
  • 185.230.248.0/22
  • 185.236.60.0/22
  • 185.237.60.0/22
  • 185.238.220.0/22
  • 185.240.24.0/22
  • 185.240.196.0/22
  • 185.241.164.0/22
  • 185.245.236.0/22
  • 188.212.122.0/23
  • 188.215.16.0/23
  • 188.215.74.0/23
  • 188.241.106.0/23
  • 192.166.208.0/21
  • 193.42.52.0/22
  • 193.164.20.0/22
  • 194.4.156.0/22
  • 212.132.192.0/18
  • 213.32.248.0/22

IPv6 prefixes

All 2 prefixes.

  • 2a02:6b60::/28
  • 2a03:3820::/32

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses
AS30844#24 LIQUID-AS Liquid Telecommunications Ltd275,712
AS12390#25 KINGSTON-UK-AS KCOM Group Limited249,856
AS25310#26 ASN-CWACCESS Vodafone Limited229,376
AS8607#28 TIMICO Digital Space Group Limited205,568
AS35228#29 O2BROADBAND Telefonica UK Limited201,728
AS12703#30 PULSANT-AS Pulsant (Scotland) Ltd183,040

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources