MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Extreme Networks, Inc.
MAC address prefix 48:9B:D5 is registered to Extreme Networks, Inc., located at 2121 RDU Center DriveMorrisville NC 27560US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 12 April 2019, with the most recent update made on 26 June 2026.
OUI: 48:9B:D5
Vendor name: Extreme Networks, Inc.
Address:
Assignment Type MA-L 2121 RDU Center Drive
Morrisville NC 27560
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 26 June 2026
Initial registration: 12 April 2019
