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AS30900 WEBWORLD-AS Sternforth Ltd. trading as WebWorld

WEBWORLD-AS Sternforth Ltd. trading as WebWorld · registered in Ireland

IPv4 addresses15,87236 prefixes · <0.001% of announced IPv4
Rank in Ireland#24largest network in IE by IPv4 space, of 197 · 0.30% of IE
Rank worldwide#7,167of 79,396 networks with IPv4
IPv61 x /32 (65,537 x /48)2 prefixes
CountryIreland209 ASNs registered there
Open AS30900 in ASN lookup Look up an IP in this network (77.47.213.1) All networks in Ireland

IPv4 prefixes

All 36 prefixes, in address order.

  • 77.47.213.0/24
  • 82.21.218.0/24
  • 82.21.248.0/24
  • 82.22.214.0/24
  • 82.22.223.0/24
  • 82.22.248.0/24
  • 82.23.202.0/24
  • 82.23.225.0/24
  • 82.23.238.0/24
  • 82.24.221.0/24
  • 82.24.237.0/24
  • 82.24.248.0/24
  • 82.25.213.0/24
  • 82.25.215.0/24
  • 82.25.235.0/24
  • 82.25.248.0/24
  • 82.26.248.0/23
  • 82.27.249.0/24
  • 82.29.214.0/24
  • 82.29.235.0/24
  • 82.29.247.0/24
  • 82.29.248.0/24
  • 83.138.8.0/21
  • 185.108.128.0/22
  • 185.152.4.0/22
  • 185.176.128.0/22
  • 188.220.23.0/24
  • 194.8.48.0/24
  • 194.8.59.0/24
  • 194.9.174.0/24
  • 195.178.151.0/24
  • 217.115.112.0/21
  • 217.115.120.0/24
  • 217.115.122.0/23
  • 217.115.125.0/24
  • 217.115.126.0/23

IPv6 prefixes

All 2 prefixes.

  • 2a01:6280::/32
  • 2a11:840:27::/48

Similar-sized networks in Ireland

ASNNameIPv4 addresses
AS56410#21 HOST-IRELAND-AS Leeson Telecom Holdings Ltd17,920
AS214609#22 redtec-2 Google Cloud EMEA Ltd16,384
AS214611#23 Gcloud Google Cloud EMEA Ltd16,384
AS47720#25 CIX-AS Cork Internet Exchange Limited15,616
AS44212#26 ADELPHINET1-AS Adelphi Net1 Ltd13,312
AS42090#27 RAPIDBB Rapid Broadband Ltd12,288

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