MAC Address Lookup

Cisco Systems, Inc E4:C7:22

E4:C7:22 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
E4:C7:22

Unicast · Universally administered (U/L bit clear)

Matched prefix
E4:C7:22
Match
MA-L assignment
Address range
E4:C7:22:00:00:00 – E4:C7:22:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Aug 15, 2013

Formats

  • Plain hex E4C722
  • Colon-separated E4:C7:22
  • Hyphen-separated E4-C7-22
  • Cisco dot notation E4C7.22

Prefix lineage

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

  1. Cisco Aug 15, 2013
  2. Cisco Systems, Inc Sep 1, 2015