MAC Address Lookup

Extreme Networks, Inc. AC:4D:D9

AC:4D:D9 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
AC:4D:D9

Unicast · Universally administered (U/L bit clear)

Matched prefix
AC:4D:D9
Match
MA-L assignment
Address range
AC:4D:D9:00:00:00 – AC:4D:D9:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Mar 21, 2023

Formats

  • Plain hex AC4DD9
  • Colon-separated AC:4D:D9
  • Hyphen-separated AC-4D-D9
  • Cisco dot notation AC4D.D9

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. Mar 21, 2023
  2. Extreme Networks Headquarters Jul 15, 2023
  3. Extreme Networks, Inc. Jun 26, 2026