MAC Address Lookup

Extreme Networks, Inc. E4:44:E5

E4:44:E5 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
E4:44:E5

Unicast · Universally administered (U/L bit clear)

Matched prefix
E4:44:E5
Match
MA-L assignment
Address range
E4:44:E5:00:00:00 – E4:44:E5:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Jul 21, 2021

Formats

  • Plain hex E444E5
  • Colon-separated E4:44:E5
  • Hyphen-separated E4-44-E5
  • Cisco dot notation E444.E5

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. Jul 21, 2021
  2. Extreme Networks Headquarters Jul 15, 2023
  3. Extreme Networks, Inc. Jun 26, 2026