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AS50131 SPARTANHOST Spartan Host Ltd

SPARTANHOST Spartan Host Ltd · registered in the United Kingdom

IPv4 addresses17,92045 prefixes · <0.001% of announced IPv4
Rank in United Kingdom#195largest network in GB by IPv4 space, of 2,074 · 0.03% of GB
Rank worldwide#6,538of 79,396 networks with IPv4
IPv624,597 x /4829 prefixes
CountryUnited Kingdom2,261 ASNs registered there
Open AS50131 in ASN lookup Look up an IP in this network (23.27.2.1) All networks in United Kingdom

IPv4 prefixes

All 45 prefixes, in address order.

  • 23.27.2.0/24
  • 23.27.7.0/24
  • 23.27.21.0/24
  • 23.27.100.0/24
  • 23.27.190.0/24
  • 23.145.48.0/24
  • 37.72.132.0/24
  • 44.16.10.0/24
  • 44.24.135.0/24
  • 44.31.60.0/24
  • 44.31.83.0/24
  • 44.31.120.0/24
  • 44.31.192.0/24
  • 44.92.34.0/24
  • 45.39.98.0/24
  • 45.39.180.0/24
  • 45.43.30.0/24
  • 45.58.61.0/24
  • 45.150.224.0/23
  • 45.154.212.0/23
  • 50.114.192.0/22
  • 50.114.212.0/22
  • 62.3.24.0/24
  • 65.75.208.0/22
  • 66.11.115.0/24
  • 72.14.154.0/24
  • 75.153.68.0/22
  • 75.153.76.0/22
  • 77.239.116.0/22
  • 91.230.73.0/24
  • 91.246.39.0/24
  • 104.194.207.0/24
  • 104.194.219.0/24
  • 104.218.232.0/23
  • 104.253.200.0/24
  • 142.252.87.0/24
  • 142.252.90.0/24
  • 142.252.173.0/24
  • 143.109.40.0/22
  • 172.83.152.0/24
  • 172.252.89.0/24
  • 176.116.1.0/24
  • 188.93.139.0/24
  • 192.177.67.0/24
  • 194.124.224.0/23

IPv6 prefixes

All 29 prefixes.

  • 2604:9cc0::/46
  • 2604:9cc0:4::/47
  • 2604:9cc0:6::/48
  • 2604:9cc0:7::/48
  • 2604:9cc0:8::/45
  • 2604:9cc0:10::/47
  • 2604:9cc0:12::/48
  • 2604:9cc0:13::/48
  • 2604:9cc0:14::/47
  • 2604:9cc0:16::/48
  • 2604:9cc0:17::/48
  • 2604:9cc0:18::/45
  • 2604:9cc0:20::/45
  • 2604:9cc0:28::/45
  • 2604:9cc0:30::/44
  • 2604:9cc0:40::/42
  • 2604:9cc0:80::/41
  • 2604:9cc0:100::/40
  • 2604:9cc0:200::/39
  • 2604:9cc0:400::/38
  • 2604:9cc0:800::/37
  • 2604:9cc0:1000::/36
  • 2605:3a40:4::/48
  • 2605:fb80:f000::/48
  • 2607:f8f8:1f00::/44
  • 2a0c:9a40:808d::/48
  • 2a0e:da40:4000::/34
  • 2a0e:fd45:40f3::/48
  • 2a0f:5707:ab25::/48

Other ASNs named SPARTANHOST Spartan Host Ltd

1 other network uses the same organisation name; together with AS50131 they announce 32,000 IPv4 addresses.

ASNNameIPv4 addresses
AS201106SPARTANHOST Spartan Host Ltd GB14,080

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses
AS39116#192 Telehouse Telehouse International Corporation of Europe Ltd18,432
AS15570#193 INAP-LON PACKETFABRIC (UK) LTD18,176
AS60819#194 SAFENAMES-AS Safenames Ltd.17,920
AS12488#196 KRYSTAL Krystal Hosting Ltd17,408
AS60377#197 TOOB toob limited17,408
AS205090#198 FIRST-SERVER-EUROPE FIRST SERVER LIMITED17,408

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