MAC Address Lookup

Cisco Systems, Inc 54:51:DE

54:51:DE is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
54:51:DE

Unicast · Universally administered (U/L bit clear)

Matched prefix
54:51:DE
Match
MA-L assignment
Address range
54:51:DE:00:00:00 – 54:51:DE:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
80 West Tasman Drive San Jose CA US 94568
First registered
Oct 23, 2022

Formats

  • Plain hex 5451DE
  • Colon-separated 54:51:DE
  • Hyphen-separated 54-51-DE
  • Cisco dot notation 5451.DE