00:14:7C 3Com Ltd
Every MAC address from 00:14:7C:00:00:00 to 00:14:7C:FF:FF:FF belongs to a block the IEEE assigned to 3Com Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:14:7C belongs to
Written 00:14:7C, 00-14-7C or 00147C, depending on the system. Look up a full address.
Prefix
00:14:7C
Organization
3Com Ltd
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:14:7C:00:00:00
Last address
00:14:7C:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Peoplebuilding 2 Hemel Hempstead Herts GB HP2 4NW