AS201933 AS4NET 4net Technologies Ltd

AS4NET 4net Technologies Ltd · registered in the United Kingdom

IPv4 addresses2,0484 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#702largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#21,367of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS201933 in ASN lookup Look up an IP in this network (45.90.42.1) All networks in United Kingdom

IPv4 prefixes

All 4 prefixes, in address order.

45.90.42.0/24
80.247.222.0/23
91.193.116.0/22
213.193.250.0/24

IPv6 prefixes

All 1 prefix.

2a06:40c0::/29

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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