MAC Address Lookup

Extreme Networks, Inc. 9C:5D:12

9C:5D:12 is a 24-bit MA-L MAC address block registered to Extreme Networks, Inc. in US.

Vendor

Extreme Networks, Inc.

MA-L · 24-bit
9C:5D:12

Unicast · Universally administered (U/L bit clear)

Matched prefix
9C:5D:12
Match
MA-L assignment
Address range
9C:5D:12:00:00:00 – 9C:5D:12:FF:FF:FF
Addresses in block
16,777,216
Country
US
Organization address
2121 RDU Center Drive Morrisville NC US 27560
First registered
Jun 2, 2012

Formats

  • Plain hex 9C5D12
  • Colon-separated 9C:5D:12
  • Hyphen-separated 9C-5D-12
  • Cisco dot notation 9C5D.12

Prefix lineage

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

  1. Aerohive Networks Inc Jun 2, 2012
  2. Extreme Networks, Inc. Feb 1, 2020
  3. Extreme Networks Headquarters Jul 15, 2023
  4. Extreme Networks, Inc. Jun 26, 2026