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AS13002
AS13002 ISIX-AS ISIX Communications LLP
ISIX-AS ISIX Communications LLP · registered in the United Kingdom
IPv4 addresses 8,704 8 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #321 largest network in GB by IPv4 space, of 2,074 · 0.01% of GB
Rank worldwide #9,858 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 22 prefixes
IPv4 prefixes
All 8 prefixes, in address order.
45.92.131.0/24 194.0.107.0/24 213.159.96.0/20 213.159.112.0/21 213.159.120.0/23 213.159.122.0/24 213.159.123.0/24 213.159.124.0/22
IPv6 prefixes
All 22 prefixes.
2a02:17e8:100::/40 2a02:17e8:200::/39 2a02:17e8:400::/38 2a02:17e8:800::/48 2a02:17e8:801::/48 2a02:17e8:802::/47 2a02:17e8:804::/46 2a02:17e8:808::/45 2a02:17e8:810::/44 2a02:17e8:820::/43 2a02:17e8:840::/42 2a02:17e8:880::/41 2a02:17e8:900::/40 2a02:17e8:a00::/39 2a02:17e8:c00::/40 2a02:17e8:d00::/40 2a02:17e8:e00::/39 2a02:17e8:1000::/36 2a02:17e8:2000::/35 2a02:17e8:4000::/34 2a02:17e8:8000::/33 2a0a:c400:100::/40
Similar-sized networks in United Kingdom
ASN Name IPv4 addresses
AS205975 #318 connect-fibre Fibre Assets Ltd8,704
AS8676 #319 PRTSYSTEMS PRT Systems Limited8,704
AS12775 #320 JPCINET JPC Infonet Ltd8,704
AS42010 #322 ITPS I.T. PROFESSIONAL SERVICES LIMITED8,704
AS43519 #323 NOMINETANYCAST Nominet UK8,704
AS21369 #324 SEMA-UK-AS Atos IT Services UK Ltd8,704
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