MAC Address Lookup

Cisco Systems, Inc C4:7D:4F

C4:7D: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
C4:7D:4F

Unicast · Universally administered (U/L bit clear)

Matched prefix
C4:7D:4F
Match
MA-L assignment
Address range
C4:7D:4F:00:00:00 – C4:7D:4F:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Sep 26, 2009

Formats

  • Plain hex C47D4F
  • Colon-separated C4:7D:4F
  • Hyphen-separated C4-7D-4F
  • Cisco dot notation C47D.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 Systems Sep 26, 2009
  2. CISCO SYSTEMS, INC. Jan 30, 2013
  3. Cisco Systems Jan 31, 2013
  4. CISCO SYSTEMS, INC. Feb 14, 2013