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AS44574 A4N Network Services Ltd.

A4N Network Services Ltd. · registered in the United Kingdom

IPv4 addresses88,57623 prefixes · 0.003% of announced IPv4
Rank in United Kingdom#55largest network in GB by IPv4 space, of 2,074 · 0.13% of GB
Rank worldwide#2,033of 79,396 networks with IPv4
IPv67 x /32 (458,757 x /48)33 prefixes
CountryUnited Kingdom2,261 ASNs registered there
Open AS44574 in ASN lookup Look up an IP in this network (5.153.96.1) All networks in United Kingdom

IPv4 prefixes

All 23 prefixes, in address order.

  • 5.153.96.0/21
  • 5.153.192.0/19
  • 31.12.96.0/19
  • 31.13.0.0/22
  • 31.13.4.0/23
  • 31.13.7.0/24
  • 37.252.32.0/20
  • 37.252.48.0/21
  • 37.252.56.0/23
  • 91.199.78.0/24
  • 91.230.181.0/24
  • 93.121.0.0/17
  • 95.172.238.0/23
  • 95.172.240.0/20
  • 95.215.174.0/24
  • 141.138.255.0/24
  • 151.249.0.0/18
  • 185.196.80.0/22
  • 193.9.248.0/24
  • 193.104.113.0/24
  • 193.150.34.0/24
  • 193.238.80.0/22
  • 212.105.176.0/20

IPv6 prefixes

All 33 prefixes.

  • 2001:678:498::/48
  • 2001:678:49c::/48
  • 2001:678:4a0::/48
  • 2001:678:4a4::/48
  • 2001:67c:16d0::/47
  • 2001:67c:1954::/48
  • 2001:67c:2544::/48
  • 2a00:10e8::/47
  • 2a00:10e8:3::/48
  • 2a00:10e8:4::/46
  • 2a00:10e8:8::/45
  • 2a00:10e8:10::/44
  • 2a00:10e8:20::/43
  • 2a00:10e8:40::/42
  • 2a00:10e8:80::/41
  • 2a00:10e8:102::/47
  • 2a00:10e8:104::/46
  • 2a00:10e8:108::/45
  • 2a00:10e8:110::/44
  • 2a00:10e8:120::/43
  • 2a00:10e8:140::/42
  • 2a00:10e8:180::/41
  • 2a00:10e8:200::/39
  • 2a00:10e8:400::/38
  • 2a00:10e8:800::/37
  • 2a00:10e8:1000::/36
  • 2a00:10e8:2000::/35
  • 2a00:10e8:4000::/34
  • 2a00:10e8:8000::/33
  • 2a00:10e9::/32
  • 2a00:10ea::/31
  • 2a00:10ec::/31
  • 2a00:10ef::/32

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AS25160#52 VORBOSS Vorboss Limited97,024
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AS13213#54 UK2NET-AS THG HOSTING LIMITED90,112
AS41230#56 ASK4 ASK4 Limited88,320
AS21267#57 Wavenet-AS21267 Wavenet Limited87,552
AS29550#58 SIMPLYTRANSIT Team Blue Carrier Limited85,760

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