MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
CHOFU SEISAKUSHO CO.,LTD
MAC address prefix A4:F5:22 is registered to CHOFU SEISAKUSHO CO.,LTD, located at 2-1Shimonoseki-shi Yamaguchi 752-8555JP.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 20 June 2013, with the most recent update made on 17 November 2015.
OUI: A4:F5:22
Vendor name: CHOFU SEISAKUSHO CO.,LTD
Address:
Assignment Type MA-L 2-1
Shimonoseki-shi Yamaguchi 752-8555
JP.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 20 June 2013
