MAC Address Lookup

3Com Ltd 00:0F:CB

00:0F:CB is a 24-bit MA-L MAC address block registered to 3Com Ltd in GB.

Vendor

3Com Ltd

MA-L · 24-bit
00:0F:CB

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:0F:CB
Match
MA-L assignment
Address range
00:0F:CB:00:00:00 – 00:0F:CB:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
Peoplebuilding 2 Hemel Hempstead Herts GB HP2 4NW
First registered
Mar 17, 2004

Formats

  • Plain hex 000FCB
  • Colon-separated 00:0F:CB
  • Hyphen-separated 00-0F-CB
  • Cisco dot notation 000F.CB

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 Mar 17, 2004
  2. 3Com Ltd Dec 31, 2007