MAC Address Lookup

ADVANCED TELECOMMUNICATIONS MODULES, LTD. 00:20:2B

00:20:2B is a 24-bit MA-L MAC address block registered to ADVANCED TELECOMMUNICATIONS MODULES, LTD. in GB.

Vendor

ADVANCED TELECOMMUNICATIONS MODULES, LTD.

MA-L · 24-bit
00:20:2B

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:20:2B
Match
MA-L assignment
Address range
00:20:2B:00:00:00 – 00:20:2B:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
Cambridge CB3 OBL GB
First registered
Apr 22, 1998

Formats

  • Plain hex 00202B
  • Colon-separated 00:20:2B
  • Hyphen-separated 00-20-2B
  • Cisco dot notation 0020.2B

Prefix lineage

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

  1. ADVANCED TELECOMMUNICATIONS Apr 22, 1998
  2. ADVANCED TELECOMMUNICATIONS MODULES, LTD. Jun 5, 2002