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AS61323 UKFAST ANS ACADEMY LIMITED

UKFAST ANS ACADEMY LIMITED · registered in the United Kingdom

IPv4 addresses80,89646 prefixes · 0.003% of announced IPv4
Rank in United Kingdom#62largest network in GB by IPv4 space, of 2,074 · 0.12% of GB
Rank worldwide#2,184of 79,396 networks with IPv4
IPv69 x /32 (589,827 x /48)20 prefixes
CountryUnited Kingdom2,261 ASNs registered there
Open AS61323 in ASN lookup Look up an IP in this network (31.193.0.1) All networks in United Kingdom

IPv4 prefixes

All 46 prefixes, in address order.

  • 31.193.0.0/20
  • 37.220.88.0/21
  • 45.67.172.0/22
  • 45.84.20.0/22
  • 45.131.136.0/22
  • 45.145.100.0/22
  • 45.152.252.0/24
  • 45.152.255.0/24
  • 45.157.40.0/22
  • 46.37.160.0/19
  • 78.24.88.0/22
  • 78.109.160.0/20
  • 78.137.112.0/20
  • 80.66.200.0/22
  • 80.244.176.0/20
  • 81.201.128.0/20
  • 94.229.160.0/20
  • 109.108.128.0/19
  • 159.253.208.0/21
  • 176.124.52.0/22
  • 178.238.128.0/20
  • 185.55.76.0/22
  • 185.156.64.0/22
  • 185.160.180.0/22
  • 185.160.252.0/22
  • 185.162.68.0/23
  • 185.162.224.0/22
  • 185.166.128.0/22
  • 185.181.196.0/22
  • 185.182.88.0/22
  • 185.197.60.0/22
  • 185.207.108.0/22
  • 185.210.196.0/22
  • 185.213.116.0/22
  • 185.216.76.0/22
  • 185.217.40.0/22
  • 185.220.60.0/22
  • 185.221.204.0/22
  • 185.226.220.0/22
  • 185.234.36.0/22
  • 185.241.248.0/22
  • 192.166.45.0/24
  • 192.166.46.0/23
  • 193.39.252.0/22
  • 194.39.164.0/22
  • 212.36.126.0/24

IPv6 prefixes

All 20 prefixes.

  • 2a02:21a8::/47
  • 2a02:22d0::/45
  • 2a02:22d0:8::/46
  • 2a02:22d0:c::/48
  • 2a02:22d0:d::/48
  • 2a02:22d0:e::/47
  • 2a02:22d0:10::/44
  • 2a02:22d0:20::/43
  • 2a02:22d0:40::/42
  • 2a02:22d0:80::/41
  • 2a02:22d0:100::/40
  • 2a02:22d0:200::/39
  • 2a02:22d0:400::/38
  • 2a02:22d0:800::/37
  • 2a02:22d0:1000::/36
  • 2a02:22d0:2000::/35
  • 2a02:22d0:4000::/34
  • 2a02:22d0:8000::/33
  • 2a09:ba00:4::/48
  • 2a0c:3dc0::/29

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ASNNameIPv4 addresses
AS24867#59 Adapt-AS Rackspace Ltd.84,736
AS214238#60 iwihost HOST TELECOM LTD84,480
AS49758#61 LLOYDSBANKING Lloyds Banking Group PLC81,920
AS16247#63 M247-UK Convergence Group (Wireless) Networks Limited79,872
AS16082#64 SPITFIRE Spitfire Network Services Limited79,872
AS51561#65 AS-ICUK ICUK Computing Services Limited73,216

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