OUI Lookup
001809
CRESYN
Manufacturer Information
- OUI Prefix
- 001809
- Manufacturer
- CRESYN
- Address
- 8-22,Jamwon-dong Seoul Seocho-Gu KR #137-902
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 5
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001809
The OUI prefix 001809 is assigned to CRESYN, based in 8-22,Jamwon-dong Seoul Seocho-Gu KR #137-902 . 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 CRESYN.