MAC Address Lookup

Extreme Networks, Inc. B4:C7:99

B4:C7:99 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
B4:C7:99

Unicast · Universally administered (U/L bit clear)

Matched prefix
B4:C7:99
Match
MA-L assignment
Address range
B4:C7:99:00:00:00 – B4:C7:99:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Apr 15, 2011

Formats

  • Plain hex B4C799
  • Colon-separated B4:C7:99
  • Hyphen-separated B4-C7-99
  • Cisco dot notation B4C7.99

Prefix lineage

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

  1. Motorola Solutions Inc. Apr 15, 2011
  2. Zebra Technologies Inc Nov 4, 2014
  3. Extreme Networks Nov 8, 2016
  4. Extreme Networks, Inc. Sep 14, 2017
  5. Extreme Networks Headquarters Jul 15, 2023
  6. Extreme Networks, Inc. Jun 26, 2026