MAC Address Lookup

Cisco Systems, Inc 3C:DF:1E

3C:DF:1E is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
3C:DF:1E

Unicast · Universally administered (U/L bit clear)

Matched prefix
3C:DF:1E
Match
MA-L assignment
Address range
3C:DF:1E:00:00:00 – 3C:DF:1E: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 3CDF1E
  • Colon-separated 3C:DF:1E
  • Hyphen-separated 3C-DF-1E
  • Cisco dot notation 3CDF.1E

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