MAC Address Lookup

Cisco Systems, Inc 34:54:EF

34:54:EF is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
34:54:EF

Unicast · Universally administered (U/L bit clear)

Matched prefix
34:54:EF
Match
MA-L assignment
Address range
34:54:EF:00:00:00 – 34:54:EF:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Jun 23, 2026

Formats

  • Plain hex 3454EF
  • Colon-separated 34:54:EF
  • Hyphen-separated 34-54-EF
  • Cisco dot notation 3454.EF