You will find here up-to-date vendor information including vendor address, url for driver download and network configuration information as well as all all belonging mac adresses.
Vendor name: HAMAMATSU PHOTONICS K.K.
Website for driver download: http://www.hamamatsu.com/
Showing all 1 registered mac address network prefixes: 00:90:06
All ethernet addresses beginning with are registered by Hamamatsu Photonics K.k. in 812 Joko-Cho Hamamatsu 431-3196 Japan. One can find troubleshooting information for your hardware on the manufacturer website here. This registered set of mac addresses can identify max. 16.777.216 devices.