AS51601 IPTP IPTP LTD

IPTP IPTP LTD · registered in the United Kingdom

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#892largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#27,973of 79,396 networks with IPv4

IPv64,096 x /481 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS51601 in ASN lookup Look up an IP in this network (185.65.175.1) All networks in United Kingdom

IPv4 prefixes

All 2 prefixes, in address order.

185.65.175.0/24
195.189.120.0/22

IPv6 prefixes

All 1 prefix.

2a03:9d40:6000::/36

Other ASNs named IPTP IPTP LTD

1 other network uses the same organisation name; together with AS51601 they announce 44,544 IPv4 addresses.

ASNNameIPv4 addresses

AS41095IPTP IPTP LTD GB43,264

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

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AS200203#891 DATABRIDGE GLOBAL DATA BRIDGE INTERNATIONAL LIMITED1,280

AS214480#893 Innova-Communications Innova Communications Limited1,280

AS211612#894 cache77 Datacamp Limited1,280

AS203861#895 SERVEREXPRESS-AS Miteflux Technologies Ltd1,280

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