A research on IPv6 address block allocation Number of allocated IPv6 address block classified by RIR [yearly] Number of allocated IPv6 address block classified by RIR [whole term] Number of allocated /32 IPv6 address block classified by RIR [yearly] Number of allocated /32 IPv6 address block classified by RIR [whole term] Number of assigned /48 IPv6 address block classified by RIR [yearly] Number of assigned /48 IPv6 address block classified by RIR [whole term] Number of allocated IPv6 address block classified by country [yearly] Number of allocated IPv6 address block classified by country [whole term] Number of allocated /32 IPv6 address block classified by country [yearly] Number of allocated /32 IPv6 address block classified by country [whole term] Number of assigned /48 IPv6 address block classified by country [yearly] Number of assigned /48 IPv6 address block classified by country [whole term] A research on BGP4 routing information 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] A research on DNS Query Analysis Number of DNS queries by IPv4/IPv6 transport [yearly] Number of DNS queries by IPv4/IPv6 transport [whole term] Ratio of IPv6 DNS queries to IPv4 ones [yearly] Ratio of IPv6 DNS queries to IPv4 ones [whole term] Number of DNS queries by resource record type [yearly] Number of DNS queries by resource record type [yearly] A research on IPv6 deployment of DNS NS, MX and Web of all .jp domain Number of IPv4 and IPv6 domains [yearly] NS, MX and Web of all .jp domain Number of IPv4 and IPv6 domains [whole term] NS, MX and Web of all .jp domain Number of IPv6 domains [yearly] NS, MX and Web of all .jp domain Number of IPv6 domains [whole term] classified by second level domain of NS Number of IPv6 domains [yearly] classified by second level domain of NS Number of IPv6 domains [whole term] classified by second level domain of NS Ratio between IPv4 and IPv6 domains [yearly] classified by second level domain of NS Ratio between IPv4 and IPv6 domains [whole term] classified by second level domain of MX Number of IPv6 domains [yearly] classified by second level domain of MX Number of IPv6 domains [whole term] classified by second level domain of MX Ratio between IPv4 and IPv6 domains [yearly] classified by second level domain of MX Ratio between IPv4 and IPv6 domains [whole term] classified by second level domain of Web Number of IPv6 domains [yearly] classified by second level domain of Web Number of IPv6 domains [whole term] classified by second level domain of Web Ratio between IPv4 and IPv6 domains [yearly] classified by second level domain of Web Ratio between IPv4 and IPv6 domains [whole term] A research on dual stack Web server access log analysis Server 01 Total number of access to Web server [yearly] Server 01 Total number of access to Web server [whole term] Server 01 Total amount of traffic from Web server [yearly] Server 01 Total amount of traffic from Web server [whole term] Server 01 Total number of access and traffic by country Server 01 Total number of access and traffic by User Agent Server 01 Total number of access and traffic by OS Server 02 (This Server) Total number of access to Web server [yearly] Server 02 (This Server) Total number of access to Web server [whole term] Server 02 (This Server) Total amount of traffic from Web server [yearly] Server 02 (This Server) Total amount of traffic from Web server [whole term] Server 02 (This Server) Total number of access and traffic by country Server 02 (This Server) Total number of access and traffic by User Agent Server 02 (This Server) Total number of access and traffic by OS A research on IPv6 enabled products Total number of Ready Logo products [yearly] Total number of Ready Logo products [whole term] Ratio between Phase1 and Phase2 products [yearly] Ratio between Phase1 and Phase2 products [whole term] Number of Phase1 products by country [yearly] Number of Phase1 products by country [whole term] Number of Phase2 products by country [yearly] Number of Phase2 products by country [whole term] Number of Phase1 products by category [yearly] Number of Phase1 products by category [whole term] Number of Phase2 products by category [yearly] Number of Phase2 products by category [whole term] A research on IPv6 network quality A research on BGP4 routing information Number of IPv6 routes and origin ASes [yearly] Number of IPv6 routes and origin ASes [monthly] Average of AS path length [yearly] Average of AS path length [monthly] Size of advertised address space [yearly] Size of advertised address space [monthly] Ratio between v6ASes and v4ASes [yearly] Ratio between v6ASes and v4ASes [monthly] Ratio between v6ASes and v4ASes [whole term] A research on traffics of IPv6 enabled IX Value of IPv6 traffic at IX [yearly] Value of IPv6 traffic at IX [monthly] Value of IPv6 traffic at IX [whole term] Ratio between IPv4 and IPv6 traffic at IX [yearly] Ratio between IPv4 and IPv6 traffic at IX [monthly] Ratio between IPv4 and IPv6 traffic at IX [whole term] A research on distribution of IPv6 traffic by application ISP 01 Distribution of incoming traffic classified by protocol ISP 01 Distribution of outgoing traffic classified by protocol ISP 01 Distribution of incoming traffic classified by TCP port number ISP 01 Distribution of outgoing traffic classified by TCP port number ISP 01 Distribution of incoming traffic classified by UDP port number ISP 01 Distribution of outgoing traffic classified by UDP port number ISP 02 Distribution of incoming traffic classified by protocol ISP 02 Distribution of outgoing traffic classified by protocol ISP 02 Distribution of incoming traffic classified by TCP port number ISP 02 Distribution of outgoing traffic classified by TCP port number ISP 02 Distribution of incoming traffic classified by UDP port number ISP 02 Distribution of outgoing traffic classified by UDP port number