MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
F5 Inc.
MAC address prefix 00:23:E9 is registered to F5 Inc., located at 401 Elliott Ave. W.Seattle WA 98119US.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 October 2008, with the most recent update made on 03 June 2025.
OUI: 00:23:E9
Vendor name: F5 Inc.
Address:
Assignment Type MA-L 401 Elliott Ave. W.
Seattle WA 98119
US.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 03 June 2025
Initial registration: 25 October 2008
