Global IPv6 Routing Table Report 07:12 +10GMT 19 Mar, 2015 IPv6 BGP Table (Global) as seen at BT London. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/London/ Analysis Summary ---------------- BGP routing table entries examined: 21138 Number of IPv6 prefixes with a valid ROA: 13158 Number of IPv6 prefixes with an invalid ROA: 0 Number of IPv6 prefixes with no ROA: 7980 Total ASNs present in the IPv6 Routing Table: 9198 Average AS path length: 4.3 Longest AS path: 23 Total Origin ASNs present in the IPv6 Routing Table: 9076 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:2 /20:9 /21:3 /22:4 /23:4 /24:15 /25:5 /26:14 /27:16 /28:60 /29:616 /30:87 /31:59 /32:6350 /33:216 /34:140 /35:173 /36:753 /37:63 /38:184 /39:60 /40:1128 /41:131 /42:128 /43:17 /44:724 /45:82 /46:105 /47:119 /48:7480 /49:0 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:0 /57:0 /58:0 /59:0 /60:0 /61:0 /62:0 /63:0 /64:8 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 22394 449 CELLCO, US 3651 420 SPRINT-BB6, US 15133 277 EDGECAST, US 40440 261 NRTC-, CA 55430 228 STARHUB-NGNBN Starhub Ltd, SG 12041 225 AS-AFILIAS1, US 22773 221 ASN-CXA-ALL-CCI-22773-RDC, US 20940 214 AKAMAI-ASN1, NL 174 179 COGENT-174, US 28573 156 Claro NXT Telecomunicacoes Ltda, BR 42 135 WOODYNET-1, US 12222 132 AKAMAI, US 6461 124 ZAYO-6461, US 20057 122 ATT-MOBILITY-LLC-AS20057, US 30036 122 MEDIACOM-ENTERPRISE-BUSINESS, US 131222 122 UK-ALPHA, GB 35994 99 AKAMAI-AS, US 2906 84 AS-SSI, US 11133 73 SORENSON-99, US 12008 69 SECURITYSERVICES, US End of report