MAC Address Lookup

Extreme Networks, Inc. B0:27:CF

B0:27:CF is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
B0:27:CF

Unicast · Universally administered (U/L bit clear)

Matched prefix
B0:27:CF
Match
MA-L assignment
Address range
B0:27:CF:00:00:00 – B0:27:CF:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Feb 28, 2021

Formats

  • Plain hex B027CF
  • Colon-separated B0:27:CF
  • Hyphen-separated B0-27-CF
  • Cisco dot notation B027.CF

Prefix lineage

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

  1. Extreme Networks, Inc. Feb 28, 2021
  2. Extreme Networks Headquarters Jul 15, 2023
  3. Extreme Networks, Inc. Jun 26, 2026