MAC Address Lookup

Cisco Systems, Inc 40:F4:EC

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

Vendor

Cisco Systems, Inc

MA-L · 24-bit
40:F4:EC

Unicast · Universally administered (U/L bit clear)

Matched prefix
40:F4:EC
Match
MA-L assignment
Address range
40:F4:EC:00:00:00 – 40:F4:EC:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Dec 17, 2010

Formats

  • Plain hex 40F4EC
  • Colon-separated 40:F4:EC
  • Hyphen-separated 40-F4-EC
  • Cisco dot notation 40F4.EC

Prefix lineage

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

  1. Cisco Systems Dec 17, 2010
  2. CISCO SYSTEMS, INC. Jan 30, 2013
  3. Cisco Systems Jan 31, 2013
  4. CISCO SYSTEMS, INC. Feb 14, 2013