OUI Lookup
001d74
Tianjin China-Silicon Microelectronics Co., Ltd.
Manufacturer Information
- OUI Prefix
- 001d74
- Manufacturer
- Tianjin China-Silicon Microelectronics Co., Ltd.
- Address
- 301,3F Building 211,No.214 Hongqi Road, Nankai District, Tianjin China Tianjin CN 300190
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001D74
The OUI prefix 001D74 is assigned to Tianjin China-Silicon Microelectronics Co., Ltd., based in 301,3F Building 211,No.214 Hongqi Road, Nankai District, Tianjin China Tianjin CN 300190 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Tianjin China-Silicon Microelectronics Co., Ltd..