MAC Address Lookup

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


OUI: 00:04:75

Vendor name: 3COM


5400 Bayfront Plaza
Santa Clara CA 95052

Assignment Type MA-L

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

Last updated: 02 June 2018

Initial registration: 04 December 2000

MAC Address Vendor Country US map