Global IPv6 Routing Table Report 07:12 +10GMT 13 Apr, 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: 21411 Number of IPv6 prefixes with a valid ROA: 13203 Number of IPv6 prefixes with an invalid ROA: 0 Number of IPv6 prefixes with no ROA: 8208 Total ASNs present in the IPv6 Routing Table: 9327 Average AS path length: 4.4 Longest AS path: 25 Total Origin ASNs present in the IPv6 Routing Table: 9202 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 /28:62 /29:629 /30:88 /31:45 /32:6418 /33:217 /34:142 /35:180 /36:765 /37:64 /38:186 /39:60 /40:1185 /41:152 /42:128 /43:17 /44:664 /45:91 /46:101 /47:123 /48:7633 /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 3651 419 SPRINT-BB6, US 22394 383 CELLCO, US 15133 276 EDGECAST, US 40440 261 NRTC-, CA 22773 238 ASN-CXA-ALL-CCI-22773-RDC, US 55430 228 STARHUB-NGNBN Starhub Ltd, SG 12041 227 AS-AFILIAS1, US 20940 223 AKAMAI-ASN1, NL 28573 185 Claro NXT Telecomunicacoes Ltda, BR 174 179 COGENT-174, US 42 141 WOODYNET-1, US 12222 133 AKAMAI, US 6461 124 ZAYO-6461, US 30036 123 MEDIACOM-ENTERPRISE-BUSINESS, US 20057 122 ATT-MOBILITY-LLC-AS20057, US 131222 122 UK-ALPHA, GB 35994 100 AKAMAI-AS, US 2906 84 AS-SSI, US 11133 73 SORENSON-99, US 12008 68 SECURITYSERVICES, US End of report