MAC Address Lookup

Cisco Systems, Inc 20:BB:C0

20:BB:C0 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
20:BB:C0

Unicast · Universally administered (U/L bit clear)

Matched prefix
20:BB:C0
Match
MA-L assignment
Address range
20:BB:C0:00:00:00 – 20:BB:C0:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Dec 23, 2012

Formats

  • Plain hex 20BBC0
  • Colon-separated 20:BB:C0
  • Hyphen-separated 20-BB-C0
  • Cisco dot notation 20BB.C0

Prefix lineage

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

  1. Cisco Dec 23, 2012
  2. Cisco Systems, Inc Sep 1, 2015