MAC Address Lookup

Cisco Systems, Inc B4:E9:B0

B4:E9:B0 is a 24-bit MA-L MAC address block registered to Cisco Systems, Inc in US.

Vendor

Cisco Systems, Inc

MA-L · 24-bit
B4:E9:B0

Unicast · Universally administered (U/L bit clear)

Matched prefix
B4:E9:B0
Match
MA-L assignment
Address range
B4:E9:B0:00:00:00 – B4:E9:B0:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
170 West Tasman Drive San Jose CA US 95134
First registered
Nov 17, 2012

Formats

  • Plain hex B4E9B0
  • Colon-separated B4:E9:B0
  • Hyphen-separated B4-E9-B0
  • Cisco dot notation B4E9.B0

Prefix lineage

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

  1. Cisco Nov 17, 2012
  2. Cisco Systems, Inc Sep 1, 2015