00:23:79 Union Business Machines Co. Ltd.
Every MAC address from 00:23:79:00:00:00 to 00:23:79:FF:FF:FF belongs to a block the IEEE assigned to Union Business Machines Co. Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:23:79 belongs to
Written 00:23:79, 00-23-79 or 002379, depending on the system. Look up a full address.
Prefix
00:23:79
Organization
Union Business Machines Co. Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:23:79:00:00:00
Last address
00:23:79:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Unit 2, 2/F, Block A, Hong Kong Industrial Centre, Lai Chi Kok Kowloon HK