OUI Lookup
dc21b9
Sentec Co.Ltd
Manufacturer Information
- OUI Prefix
- dc21b9
- Manufacturer
- Sentec Co.Ltd
- Address
- 10, Baekseokgongdan 1-ro, Seobuk-gu Cheonan-si Chungcheongnam-do KR 31094
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix DC21B9
The OUI prefix DC21B9 is assigned to Sentec Co.Ltd, based in 10, Baekseokgongdan 1-ro, Seobuk-gu Cheonan-si Chungcheongnam-do KR 31094 . 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 Sentec Co.Ltd.