Address Calculator

Warning: you need Javascript to use this form! Please activate it.

MAC -- EUI-64 Converter

With Auto-Configuration the 64-bit host ID (also called EUI-64 in IPv6 speak) of an IPv6 address is generated from the MAC address of the network card. This tool allows to convert between MAC and EUI-64. Additional the Freifunk Kiel Network Prefix is applied.

48bit MAC:Please use dashes or colons to separate bytes
64bit Host ID:Please use IPv6 notation with ::/64 as prefix


JS Addr Calc revision 20120802
© Konrad Rosenbaum, 2012
This script is protected under the GNU GPL version 3 or at your option any newer.

This is a stripped down version of the original script!

Please mail patches to me (konrad@silmor.de) if you have any interesting additions for it.