MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Signal Technology, Inc.
OUI prefix: 00:04:B1
Vendor name: Signal Technology, Inc.
3rd. Fl. Dabo Bldg.
Seoul KOREA 138-110
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 04 December 2000