MAC Address Lookup

Cambridge Broadband Networks Group 00:CB:BD

00:CB:BD is a 24-bit MA-L MAC address block registered to Cambridge Broadband Networks Group in GB.

Vendor

Cambridge Broadband Networks Group

MA-L · 24-bit
00:CB:BD

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:CB:BD
Match
MA-L assignment
Address range
00:CB:BD:00:00:00 – 00:CB:BD:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
1 Hammersmith Broadway London GB W6 9DL
First registered
Jun 4, 2001

Formats

  • Plain hex 00CBBD
  • Colon-separated 00:CB:BD
  • Hyphen-separated 00-CB-BD
  • Cisco dot notation 00CB.BD

Prefix lineage

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

  1. Cambridge Broadband Ltd. Jun 4, 2001
  2. Cambridge Broadband Networks Ltd. Dec 31, 2007
  3. Cambridge Broadband Networks Group May 30, 2020