OUI Lookup
00138c
Kumyoung.Co.Ltd
Manufacturer Information
- OUI Prefix
- 00138c
- Manufacturer
- Kumyoung.Co.Ltd
- Address
- Seoul KY building, 40-17 Hangang Ro, 3Ga, Youngsan-Gu Seoul KR 140-880
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00138C
The OUI prefix 00138C is assigned to Kumyoung.Co.Ltd, based in Seoul KY building, 40-17 Hangang Ro, 3Ga, Youngsan-Gu Seoul KR 140-880 . 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 Kumyoung.Co.Ltd.