IPv6 Addressing RFCs

[ewx]

1924 A Compact Representation of IPv6 Addresses. R. Elz. April 1 1996.
     (Format: TXT=10409 bytes) (Status: INFORMATIONAL)

4291 IP Version 6 Addressing Architecture. R. Hinden, S. Deering.
     February 2006. (Format: TXT=52897 bytes) (Obsoletes RFC3513) (Status:
     DRAFT STANDARD)

I only just realized that 4291 = 1924 backwards. I don't think that can be a coincidence l-)