Vendor name: Kumahira Co., Ltd.

MAC Prefix: 00:04:B8

MAC Range: 00:04:B8:00:00:00 - 00:04:B8:FF:FF:FF

Type: MA-L

Address: 4-34 Ujinahigashi 2-Chome
　　　　　 JAPAN 734-8567
　　　　　 JP