OUI Lookup
001603
COOLKSKY Co., LTD
Manufacturer Information
- OUI Prefix
- 001603
- Manufacturer
- COOLKSKY Co., LTD
- Address
- Shingsung offcetel A511, 1588-1 Secho Seoul KR 137-070
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001603
The OUI prefix 001603 is assigned to COOLKSKY Co., LTD, based in Shingsung offcetel A511, 1588-1 Secho Seoul KR 137-070 . 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 COOLKSKY Co., LTD.