Short Form	2001::FFFF:FFFF:FFFF:FFFF
Long Form - Hexadecimal	2001:0000:0000:0000:FFFF:FFFF:FFFF:FFFF
Long Form - Binary	2001:0000:0000:0000:FFFF:FFFF:FFFF:FFFF
In base10	42540488161975842778997100499009798143
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, ^ ]

  
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