OUI Lookup
00031a
Beijing Broad Telecom Ltd., China
Manufacturer Information
- OUI Prefix
- 00031a
- Manufacturer
- Beijing Broad Telecom Ltd., China
- Address
- P.O. Box #147 Beijing CN 100876
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00031A
The OUI prefix 00031A is assigned to Beijing Broad Telecom Ltd., China, based in P.O. Box #147 Beijing CN 100876 . 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 Beijing Broad Telecom Ltd., China.