OUI Lookup
d440d0
OCOSMOS Co., LTD
Manufacturer Information
- OUI Prefix
- d440d0
- Manufacturer
- OCOSMOS Co., LTD
- Address
- (Tamnip-Dong) #1, 263-1 Techno 2-Ro Yuseong-Gu Daejeon Daejeon KR 34026
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix D440D0
The OUI prefix D440D0 is assigned to OCOSMOS Co., LTD, based in (Tamnip-Dong) #1, 263-1 Techno 2-Ro Yuseong-Gu Daejeon Daejeon KR 34026 . 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 OCOSMOS Co., LTD.