MAC Address Lookup

Extreme Networks, Inc. A4:97:91

A4:97:91 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
A4:97:91

Unicast · Universally administered (U/L bit clear)

Matched prefix
A4:97:91
Match
MA-L assignment
Address range
A4:97:91:00:00:00 – A4:97:91:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Mar 4, 2025

Formats

  • Plain hex A49791
  • Colon-separated A4:97:91
  • Hyphen-separated A4-97-91
  • Cisco dot notation A497.91

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 4, 2025
  2. Extreme Networks, Inc. Jun 26, 2026