MAC Address Lookup

Cisco Systems, Inc 18:9C:5D

18:9C:5D is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
18:9C:5D

Unicast · Universally administered (U/L bit clear)

Matched prefix
18:9C:5D
Match
MA-L assignment
Address range
18:9C:5D:00:00:00 – 18:9C:5D:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Sep 13, 2013

Formats

  • Plain hex 189C5D
  • Colon-separated 18:9C:5D
  • Hyphen-separated 18-9C-5D
  • Cisco dot notation 189C.5D

Prefix lineage

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

  1. Cisco Sep 13, 2013
  2. Cisco Systems, Inc Sep 1, 2015