00:40:56 MCM JAPAN LTD.
Every MAC address from 00:40:56:00:00:00 to 00:40:56:FF:FF:FF belongs to a block the IEEE assigned to MCM JAPAN LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:56 belongs to
Written 00:40:56, 00-40-56 or 004056, depending on the system. Look up a full address.
Prefix
00:40:56
Organization
MCM JAPAN LTD.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:56:00:00:00
Last address
00:40:56:FF:FF:FF
Address type
Globally unique, unicast
Registered address
SYUUKAEN BLD. 2-11-1 JP