00:20:55 ALTECH CO., LTD.
Every MAC address from 00:20:55:00:00:00 to 00:20:55:FF:FF:FF belongs to a block the IEEE assigned to ALTECH CO., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:20:55 belongs to
Written 00:20:55, 00-20-55 or 002055, depending on the system. Look up a full address.
Prefix
00:20:55
Organization
ALTECH CO., LTD.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:20:55:00:00:00
Last address
00:20:55:FF:FF:FF
Address type
Globally unique, unicast
Registered address
OHISHI BLDG., 2-23-11 TOKYO 116 JP