MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
WatchGuard Technologies, Inc.
MAC prefix: 00:01:21
Vendor name: WatchGuard Technologies, Inc.
MAC range: 00:01:21:00:00:00 - 00:01:21:FF:FF:FF
Block Size: 16777215 (16.77 M)
605 Fifth Ave. S
Seattle WA 98104-3892
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 09 November 2000
Last updated: 13 June 2018