MAC Address Lookup

Cisco Systems Inc 00:1B:67

00:1B:67 is a 24-bit MA-L MAC address block registered to Cisco Systems Inc in GB.

Vendor

Cisco Systems Inc

MA-L · 24-bit
00:1B:67

Unicast · Universally administered (U/L bit clear)

Matched prefix
00:1B:67
Match
MA-L assignment
Address range
00:1B:67:00:00:00 – 00:1B:67:FF:FF:FF
Addresses in block
16,777,216
Country
GB
Organization address
The Stella Building Swindon Wiltshire GB SN5 6NX
First registered
Feb 9, 2007

Formats

  • Plain hex 001B67
  • Colon-separated 00:1B:67
  • Hyphen-separated 00-1B-67
  • Cisco dot notation 001B.67

Prefix lineage

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

  1. Ubiquisys Ltd Feb 9, 2007
  2. Cisco Systems Inc Sep 4, 2013