OUI Lookup
c027b9
Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.
Manufacturer Information
- OUI Prefix
- c027b9
- Manufacturer
- Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd.
- Address
- Building No.18, Huayuan YiLi,Fengtai District, Beijing CN 100073
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix C027B9
The OUI prefix C027B9 is assigned to Beijing National Railway Research & Design Institute of Signal & Communication Co., Ltd., based in Building No.18, Huayuan YiLi,Fengtai District, Beijing CN 100073 . 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 National Railway Research & Design Institute of Signal & Communication Co., Ltd..