OUI Lookup
000cfb
Korea Network Systems
Manufacturer Information
- OUI Prefix
- 000cfb
- Manufacturer
- Korea Network Systems
- Address
- 206 JangYoungSil Bldg, 1688-5 Taejeon KR 306-230
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000CFB
The OUI prefix 000CFB is assigned to Korea Network Systems, based in 206 JangYoungSil Bldg, 1688-5 Taejeon KR 306-230 . 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 Korea Network Systems.