OUI Lookup
001821
SINDORICOH
Manufacturer Information
- OUI Prefix
- 001821
- Manufacturer
- SINDORICOH
- Address
- 277-22, 2ga, Sungsu-dong, Sungdong-gu, Seoul KR 133-120
- Last updated
- 8/5/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001821
The OUI prefix 001821 is assigned to SINDORICOH, based in 277-22, 2ga, Sungsu-dong, Sungdong-gu, Seoul KR 133-120 . 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 SINDORICOH.