CIDR block::ffff:1337:f03d/128
::FFFF:1337:f03d is contained in the ::ffff:0:0/96 Special Purpose Address Block.

::ffff:0:0/96 - IPv4-mapped Address
::ffff:0:0/96 was allocated on February of 2006

Addresses in ::ffff:0:0/96 may NOT be used as the source address of an IP datagram that transits two devices.

Addresses in ::ffff:0:0/96 may NOT be used as the destination address of an IP datagram that transits two devices.

Addresses in ::ffff:0:0/96 are NOT forwardable.
A router may NOT forward an IP datagram to Addresses in ::ffff:0:0/96 between external interfaces.

Addresses in ::ffff:0:0/96 are NOT globally reachable
An IP datagram may NOT be forwarded to Addresses in ::ffff:0:0/96 beyond a specified administrative domain.

The RFC that created ::ffff:0:0/96 requires all compliant IP implementations to behave in a special way when processing packets either to or from addresses contained by ::ffff:0:0/96

[ RFC4291, ^ ]

::ffff:1337:f03d Type IPV4MAP
19.55.240.61   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
Number of IP addresses in the block 1
Netmaskffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
Range [First - Last]::ffff:1337:f03d - 0000:0000:0000:0000:0000:ffff:1337:f03d
Last Address long form 0000:0000:0000:0000:0000:ffff:1337:f03d
Last Address short form ::ffff:1337:f03d   !ip6 !rdap !whois !ptr !dnstr !tr !scan !g
Network/First Address long form 0000:0000:0000:0000:0000:ffff:1337:f03d
Network/First Address short form ::ffff:1337:f03d   !ip6 !rdap !whois !ptr !dnstr !tr !scan !g

!g ::FFFF:1337:f03d/128
  
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