MAC Address Lookup

Cisco Systems, Inc F4:CF:E2

F4:CF:E2 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
F4:CF:E2

Unicast · Universally administered (U/L bit clear)

Matched prefix
F4:CF:E2
Match
MA-L assignment
Address range
F4:CF:E2:00:00:00 – F4:CF:E2:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Oct 24, 2013

Formats

  • Plain hex F4CFE2
  • Colon-separated F4:CF:E2
  • Hyphen-separated F4-CF-E2
  • Cisco dot notation F4CF.E2

Prefix lineage

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

  1. Cisco Oct 24, 2013
  2. Cisco Systems, Inc Sep 1, 2015