MAC Address Lookup

Cisco Systems, Inc EC:30:91

EC:30:91 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
EC:30:91

Unicast · Universally administered (U/L bit clear)

Matched prefix
EC:30:91
Match
MA-L assignment
Address range
EC:30:91:00:00:00 – EC:30:91: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 27, 2009

Formats

  • Plain hex EC3091
  • Colon-separated EC:30:91
  • Hyphen-separated EC-30-91
  • Cisco dot notation EC30.91

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 27, 2009
  2. CISCO SYSTEMS, INC. Jan 30, 2013
  3. Cisco Systems Jan 31, 2013
  4. CISCO SYSTEMS, INC. Feb 14, 2013