MAC Address Lookup

Gigaset Technologies GmbH 00:21:04

00:21:04 is a 24-bit MA-L MAC address block registered to Gigaset Technologies GmbH in DE.

Vendor

Gigaset Technologies GmbH

MA-L · 24-bit
00:21:04

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:21:04
Match
MA-L assignment
Address range
00:21:04:00:00:00 – 00:21:04:FF:FF:FF
Addresses in block
16,777,216
Country
DE
Organization address
Frankenstrasse 2 46395 Bocholt DE
First registered
Apr 14, 2008

Formats

  • Plain hex 002104
  • Colon-separated 00:21:04
  • Hyphen-separated 00-21-04
  • Cisco dot notation 0021.04

Prefix lineage

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

  1. Siemens Home and Office Communication Devices GmbH&Co. KG Apr 14, 2008
  2. Gigaset Communications GmbH Jun 23, 2009
  3. Gigaset Technologies GmbH Jan 8, 2026