MAC Address Lookup

WatchGuard Technologies, Inc. 00:01:21

00:01:21 is a 24-bit MA-L MAC address block registered to WatchGuard Technologies, Inc. in US.

Vendor

WatchGuard Technologies, Inc.

MA-L · 24-bit
00:01:21

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:01:21
Match
MA-L assignment
Address range
00:01:21:00:00:00 – 00:01:21:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
605 Fifth Ave. S Seattle WA US 98104-3892
First registered
Sep 8, 2000

Formats

  • Plain hex 000121
  • Colon-separated 00:01:21
  • Hyphen-separated 00-01-21
  • Cisco dot notation 0001.21

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. RapidStream Inc. Sep 8, 2000
  2. Watchguard Technologies, Inc. Feb 12, 2004