OUI Lookup
5c91fd
Jaewoncnc
Manufacturer Information
- OUI Prefix
- 5c91fd
- Manufacturer
- Jaewoncnc
- Address
- A-501~507, H-Businesspark, 25 Beobwon-ro11gil, Songpa-gu, Seoul, Korea Seoul KR 05836
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 5C91FD
The OUI prefix 5C91FD is assigned to Jaewoncnc, based in A-501~507, H-Businesspark, 25 Beobwon-ro11gil, Songpa-gu, Seoul, Korea Seoul KR 05836 . 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 Jaewoncnc.