MAC Address Lookup

Cisco Systems, Inc 2C:3F:38

2C:3F:38 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
2C:3F:38

Unicast · Universally administered (U/L bit clear)

Matched prefix
2C:3F:38
Match
MA-L assignment
Address range
2C:3F:38:00:00:00 – 2C:3F:38:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Aug 25, 2011

Formats

  • Plain hex 2C3F38
  • Colon-separated 2C:3F:38
  • Hyphen-separated 2C-3F-38
  • Cisco dot notation 2C3F.38

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 Aug 25, 2011
  2. CISCO SYSTEMS, INC. Jan 30, 2013
  3. Cisco Systems Jan 31, 2013
  4. CISCO SYSTEMS, INC. Feb 14, 2013