OUI Lookup
640552
China Post Communication Equipment Co.,
Manufacturer Information
- OUI Prefix
- 640552
- Manufacturer
- China Post Communication Equipment Co.,
- Address
- Building 9, No. 11, Lane 450, Zhenda Roa Shanghai CN 200436
- Last updated
- 6/14/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 640552
The OUI prefix 640552 is assigned to China Post Communication Equipment Co.,, based in Building 9, No. 11, Lane 450, Zhenda Roa Shanghai CN 200436 . 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 China Post Communication Equipment Co.,.