MAC Address Lookup

Cisco Systems, Inc 44:AD:D9

44:AD:D9 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
44:AD:D9

Unicast · Universally administered (U/L bit clear)

Matched prefix
44:AD:D9
Match
MA-L assignment
Address range
44:AD:D9:00:00:00 – 44:AD:D9:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Mar 1, 2013

Formats

  • Plain hex 44ADD9
  • Colon-separated 44:AD:D9
  • Hyphen-separated 44-AD-D9
  • Cisco dot notation 44AD.D9

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Cisco Mar 1, 2013
  2. Cisco Systems, Inc Sep 1, 2015