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: Hangzhou H3C Technologies Co., Ltd.
Oriental Electronic Bld., NO.2, Chuangye Road
Shang-Di Informaiton Industry Base,
Hai-Dian District Beijing 100085
Website for driver download: http://www.h3c.com/
All MACs beginning with belong to the owner Hangzhou H3c Technologies Co., Ltd. in Oriental Electronic Bld., No.2, Chuangye Road Shang-Di Informaiton Industry Base, Hai-Dian District Beijing 100085 China. You will find driver information for your device on the vendor website here. This registered set of mac addresses can address a maximum of 50.331.648 devices.