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AS21459
AS21459 GNSEUROPEUK-AS OneAdvanced It Services Limited
GNSEUROPEUK-AS OneAdvanced It Services Limited · registered in the United Kingdom
IPv4 addresses 5,120 2 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #434 largest network in GB by IPv4 space, of 2,074 · <0.01% of GB
Rank worldwide #13,627 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 2 prefixes, in address order.
185.203.60.0/22 217.68.64.0/20
Similar-sized networks in United Kingdom
ASN Name IPv4 addresses
AS56396 #431 Amobee NEXXEN GROUP LTD5,120
AS20652 #432 UNITRON-AS Unitron Systems & Development LTD5,120
AS21260 #433 POSITIVE-INTERNET-UK-AS The Positive Internet Company Ltd5,120
AS25335 #435 NGS NEXT GLOBAL SERVICES L.P.5,120
AS25585 #436 KENCOMP Kencomp Internet Ltd5,120
AS31712 #437 GIGASTREAM-AS Gigastream Limited5,120
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