AS213877 U1DS-AS U1 DIGITAL SERVICES LTD

U1DS-AS U1 DIGITAL SERVICES LTD · registered in the United Kingdom

IPv4 addresses28,67244 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#144largest network in GB by IPv4 space, of 2,074 · 0.04% of GB

Rank worldwide#5,129of 79,396 networks with IPv4

IPv64,224 x /483 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS213877 in ASN lookup Look up an IP in this network (2.26.112.1) All networks in United Kingdom

IPv4 prefixes

All 44 prefixes, in address order.

2.26.112.0/22
2.27.8.0/22
2.27.44.0/22
31.76.88.0/23
64.188.73.0/24
64.188.75.0/24
64.188.92.0/22
64.188.96.0/23
64.188.112.0/23
64.188.116.0/23
64.188.124.0/23
64.188.126.0/24
72.4.67.0/24
72.4.68.0/22
77.91.84.0/22
77.239.100.0/22
77.239.104.0/23
77.239.122.0/23
144.31.26.0/23
144.31.64.0/20
144.31.86.0/23
144.31.89.0/24
144.31.104.0/23
144.31.120.0/23
144.31.137.0/24
144.31.192.0/23
144.31.198.0/23
144.31.226.0/23
144.31.228.0/23
144.31.244.0/22
144.31.252.0/22
150.241.86.0/24
150.241.105.0/24
150.241.108.0/24
157.228.172.0/23
157.228.174.0/24
179.198.50.0/23
179.254.162.0/23
185.184.122.0/23
185.207.133.0/24
185.249.152.0/22
191.217.224.0/23
201.10.72.0/22
213.21.241.0/24

IPv6 prefixes

All 3 prefixes.

2a01:ecc0:40::/42
2a01:ecc0:200::/42
2a01:ecc0:1000::/36

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS199335#141 TALKSTRAIGHT Talk Straight Ltd.30,464

AS213607#142 WORLD-FIRST-COMMUNICATION-LTD WORLD FIRST COMMUNICATION LTD28,928

AS12519#143 FASTNETUK FastNet International Ltd28,672

AS42081#145 ecmwf-it European Centre for Medium-Range Weather Forecasts (ECMWF)28,416

AS41811#146 CONVERGENCE-GROUP CONVERGENCE (GROUP NETWORKS) LIMITED27,904

AS200740#147 FIRST-SERVER-EU-AS FIRST SERVER LIMITED27,904

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