00:40:04 ICM CO. LTD.
Every MAC address from 00:40:04:00:00:00 to 00:40:04:FF:FF:FF belongs to a block the IEEE assigned to ICM CO. LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:40:04 belongs to
Written 00:40:04, 00-40-04 or 004004, depending on the system. Look up a full address.
Prefix
00:40:04
Organization
ICM CO. LTD.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:40:04:00:00:00
Last address
00:40:04:FF:FF:FF
Address type
Globally unique, unicast
Registered address
4-2-9 NIHONBASHI NANIWA-KU JP