2001::ffff:ffff:ffff:ffff   !ip6 !whois !ptr !dnstr !tr !scan !g
2001::ffff:ffff:ffff:ffff is contained in the 2001::/32 Special Purpose Address Block. 2001::/32 - TEREDO 2001::/32 was allocated on January of 2006 Addresses in 2001::/32 may be used as the source address of an IP datagram that transits two devices. Addresses in 2001::/32 may be used as the destination address of an IP datagram that transits two devices. Addresses in 2001::/32 are forwardable. A router may forward an IP datagram to Addresses in 2001::/32 between external interfaces. [ RFC4380, ^ ] [ RFC8190, ^ ]

  
___________   ____________________
           \ |
            \|

                        
        |\       /|
       |  \_ __^/  | 
     ||  ___   ___  || 
    |||  \__| |__/  |||
     ||             ||
       |/         \|
         \ _____ /
         | \___/ |
      _  /\_____/\  _
      \\/IPDUHUDPI\//