MAC Address Lookup

Cisco Systems, Inc A0:55:4F

A0:55:4F is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
A0:55:4F

Unicast · Universally administered (U/L bit clear)

Matched prefix
A0:55:4F
Match
MA-L assignment
Address range
A0:55:4F:00:00:00 – A0:55:4F:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Jan 6, 2015

Formats

  • Plain hex A0554F
  • Colon-separated A0:55:4F
  • Hyphen-separated A0-55-4F
  • Cisco dot notation A055.4F

Prefix lineage

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

  1. Cisco Jan 6, 2015
  2. Cisco Systems, Inc Sep 1, 2015