MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
British Telecommunications plc
OUI History
British Telecommunications plc
17 November 2015
81 New Gate St, England, GB
Update(s):- Address
British Telecommunications plc
26 May 2012
81 New Gate St, London, EC1A 7AJ, England, UNITED KINGDOM
Update(s):- Vendor Name
- Address
BRITISH TELECOMMUNICATIONS PLC
21 July 2005
81 NEWGATE STREET, LONDON, EC1A 7AJ, ENGLAND, UNITED KINGDOM
Update(s):- Address
BRITISH TELECOMMUNICATIONS PLC
09 November 2000
81 NEWGATE STREET, LONDON, EC1A 7AJ, ENGLAND
Note:- Initial registration