00:02:5B Cambridge Silicon Radio
Every MAC address from 00:02:5B:00:00:00 to 00:02:5B:FF:FF:FF belongs to a block the IEEE assigned to Cambridge Silicon Radio. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:02:5B belongs to
Written 00:02:5B, 00-02-5B or 00025B, depending on the system. Look up a full address.
Prefix
00:02:5B
Organization
Cambridge Silicon Radio
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:02:5B:00:00:00
Last address
00:02:5B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Unit 400, Science Park, United GB Kingdom