ipv6calc(8) on Linux
The text db4ffe872484, as Debian 3.1 (Sarge) shipped it.
a small utility written in C to manipulate IPv6 addresses.
Flags it lists
-
--addr2compaddr -
--addr2fulluncompaddr -
--addr2if_inet6 -
--addr2ip6_arpa -
--addr2ip6_int -
--addr2uncompaddr -
--addr_to_base85 -
--addr_to_bitstring -
--addr_to_compressed -
--addr_to_fulluncompressed -
--addr_to_ifinet6 -
--addr_to_ip6arpa -
--addr_to_ip6int -
--addr_to_uncompressed -
--base85_to_addr -
--eui64_to_privacy -
--if_inet62addr -
--ifinet6_to_compressed -
--ipv4_to_6to4addr -
--mac_to_eui64 -
--printoldoptions