MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
WatchGuard Technologies, Inc.
OUI prefix: 00:01:21
Vendor name: WatchGuard Technologies, Inc.
605 Fifth Ave. S
Seattle WA 98104-3892
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 13 June 2018
Initial registration: 09 November 2000