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2001:4:112::/48

2001:4:112::/48 is the AS112-v6 block.

Last updated 26 Oct 2026 from the IANA IPv6 Special-Purpose Address Registry

Short answer

IANA lists 2001:4:112::/48 as “AS112-v6” (RFC 7535). It is not an ordinary public address.

Block2001:4:112::/48
First – last2001:4:112:: – 2001:4:112:ffff:ffff:ffff:ffff:ffff
Sizea /48 (2^80 addresses)
Name in the registryAS112-v6
Defined inRFC 7535
Allocated2014-12
Valid as source / destinationTrue / True
ForwardableTrue
Globally reachableTrue

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Sources

  1. IANA IPv6 Special-Purpose Address Registry (CC0) · checked 26 Oct 2026
  2. RFC 7535