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AS51551
AS51551 CAPITA-AS Capita Business Services Ltd
CAPITA-AS Capita Business Services Ltd · registered in the United Kingdom
IPv4 addresses 19,712 4 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #181 largest network in GB by IPv4 space, of 2,074 · 0.03% of GB
Rank worldwide #6,204 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 4 prefixes, in address order.
46.183.192.0/21 82.203.64.0/18 185.26.16.0/22 195.190.22.0/24
Similar-sized networks in United Kingdom
ASN Name IPv4 addresses
AS198440 #178 Giganet AllPoints Fibre Networks Limited20,224
AS9153 #179 BURSTFIRE-EU Burstfire Networks Ltd20,224
AS51918 #180 CERBERUSNETWORKS-AS Cerberus Networks Ltd19,712
AS205489 #182 CODEASSET CODE ASSET LTD19,712
AS60426 #183 WIGHTFIBRE WightFibre Limited19,456
AS45014 #184 NCONNECT Nuco Technologies Ltd19,456
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