MAC Address Lookup

Cisco Systems, Inc D4:A0:2A

D4:A0:2A is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
D4:A0:2A

Unicast · Universally administered (U/L bit clear)

Matched prefix
D4:A0:2A
Match
MA-L assignment
Address range
D4:A0:2A:00:00:00 – D4:A0:2A:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Nov 17, 2011

Formats

  • Plain hex D4A02A
  • Colon-separated D4:A0:2A
  • Hyphen-separated D4-A0-2A
  • Cisco dot notation D4A0.2A

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 Nov 17, 2011
  2. CISCO SYSTEMS, INC. Jan 30, 2013
  3. Cisco Systems Jan 31, 2013
  4. CISCO SYSTEMS, INC. Feb 14, 2013