OUI Lookup
10d657
Siemens Industrial Automation Products Ltd., Chengdu
Manufacturer Information
- OUI Prefix
- 10d657
- Manufacturer
- Siemens Industrial Automation Products Ltd., Chengdu
- Address
- Tianyuan Road No.99, High Tech Zone West Chengdu Sichuan Province CN 611731
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 10D657
The OUI prefix 10D657 is assigned to Siemens Industrial Automation Products Ltd., Chengdu, based in Tianyuan Road No.99, High Tech Zone West Chengdu Sichuan Province CN 611731 . 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 Siemens Industrial Automation Products Ltd., Chengdu.