OUI Lookup

000121

WatchGuard Technologies, Inc.

Manufacturer Information

OUI Prefix
000121
Manufacturer
WatchGuard Technologies, Inc.
Address
605 Fifth Ave. S Seattle WA US 98104-3892
Last updated
6/8/2026

Vendor Statistics

Total prefixes
2
Block type
MA-L
Available addresses
~16 millones

About prefix 000121

The OUI prefix 000121 is assigned to WatchGuard Technologies, Inc., based in 605 Fifth Ave. S Seattle WA US 98104-3892 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to WatchGuard Technologies, Inc..

Other prefixes from WatchGuard Technologies, Inc.