MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

ADVANCED TELECOMMUNICATIONS MODULES, LTD.

MAC prefix: 00:20:2B

MAC range: 00:20:2B:00:00:00 - 00:20:2B:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

Cambridge CB3 OBL
GB.

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 22 April 1998

Last updated: 17 November 2015