Vendor name: Tianjin China-Silicon Microelectronics Co., Ltd.

MAC Prefix: 00:1D:74

MAC Range: 00:1D:74:00:00:00 - 00:1D:74:FF:FF:FF

Type: MA-L

Address: 301,3F Building 211,No.214 Hongqi Road, Nankai District, Tianjin China
　　　　　Tianjin 300190
　　　　　 CN