MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SEMAPHORE COMMUNICATIONS CORP.
OUI History
SEMAPHORE COMMUNICATIONS CORP.
17 November 2015
217 HUMBOLDT COURT, SUNNYVALE CA 94089-1300, US
Update(s):- Address
SEMAPHORE COMMUNICATIONS CORP.
11 April 2003
217 HUMBOLDT COURT, SUNNYVALE CA 94089-1300, UNITED STATES
Update(s):- Address
SEMAPHORE COMMUNICATIONS CORP.
09 November 2000
217 HUMBOLDT COURT, SUNNYVALE CA 94089-1300
Note:- Initial registration