OUI Lookup
000803
Cos Tron
Manufacturer Information
- OUI Prefix
- 000803
- Manufacturer
- Cos Tron
- Address
- 4F Boolim B/D, 1431-22, Anyang KR 431-061
- Last updated
- 6/12/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000803
The OUI prefix 000803 is assigned to Cos Tron, based in 4F Boolim B/D, 1431-22, Anyang KR 431-061 . 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 Cos Tron.