MAC Address Lookup

3Com Ltd 00:12:A9

00:12:A9 is a 24-bit MA-L MAC address block registered to 3Com Ltd in GB.

Vendor

3Com Ltd

MA-L · 24-bit
00:12:A9

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:12:A9
Match
MA-L assignment
Address range
00:12:A9:00:00:00 – 00:12:A9:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
Peoplebuilding 2 Hemel Hempstead Herts GB HP2 4NW
First registered
Oct 21, 2004

Formats

  • Plain hex 0012A9
  • Colon-separated 00:12:A9
  • Hyphen-separated 00-12-A9
  • Cisco dot notation 0012.A9

Prefix lineage

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

  1. 3COM EUROPE LTD Oct 21, 2004
  2. 3Com Ltd Jan 14, 2008