MAC Address Lookup

Cisco Systems, Inc 1C:84:A6

1C:84:A6 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
1C:84:A6

Unicast · Universally administered (U/L bit clear)

Matched prefix
1C:84:A6
Match
MA-L assignment
Address range
1C:84:A6:00:00:00 – 1C:84:A6:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
500 Terry A. Francois Blvd San Francisco US 94158
First registered
Jul 20, 2026

Formats

  • Plain hex 1C84A6
  • Colon-separated 1C:84:A6
  • Hyphen-separated 1C-84-A6
  • Cisco dot notation 1C84.A6

Prefix lineage

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

  1. Cisco Meraki Jul 20, 2026
  2. Cisco Systems, Inc Jul 26, 2026