OUI Lookup
000c9c
Chongho information & communications
Manufacturer Information
- OUI Prefix
- 000c9c
- Manufacturer
- Chongho information & communications
- Address
- Chongho Bldg, #7-61 Yangjae-dong, Seocho Seoul KR 137-130
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000C9C
The OUI prefix 000C9C is assigned to Chongho information & communications, based in Chongho Bldg, #7-61 Yangjae-dong, Seocho Seoul KR 137-130 . 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 Chongho information & communications.