Contents Number of whole IPv6 routes Number of origin ASes Average of AS path length Comparison the number of router advertisement between IPv4 and IPv6 Frequency Date: once a day Time: 0:00AM UTC (9:00AM JST) Method A measure computer taking full route saves the whole routing table to analyse the objects above mentioned. To hold the number of flap, this system also analyses the packet trace of BGP4. Number of IPv6 routes and origin ASes [yearly]>> Number of IPv6 routes and origin ASes [whole term]>> Average of AS path length [yearly]>> Average of AS path length [whole term]>> Ratio between v6ASes and v4ASes [yearly]>> Ratio between v6ASes and v4ASes [whole term]>>