MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Vendor name: RYOSEI, Ltd.
Address:Assignment Type MA-L
Amagasaki-shi Hyogo 660-0834
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 09 February 2022
Initial registration: 09 November 2000