MAC Address Lookup

Extreme Networks, Inc. B8:DC:28

B8:DC:28 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
B8:DC:28

Unicast · Universally administered (U/L bit clear)

Matched prefix
B8:DC:28
Match
MA-L assignment
Address range
B8:DC:28:00:00:00 – B8:DC:28:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Mar 23, 2026

Formats

  • Plain hex B8DC28
  • Colon-separated B8:DC:28
  • Hyphen-separated B8-DC-28
  • Cisco dot notation B8DC.28

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 Headquarters Mar 23, 2026
  2. Extreme Networks, Inc. Jun 26, 2026