OUI Lookup
d4945a
COSMO CO., LTD
Manufacturer Information
- OUI Prefix
- d4945a
- Manufacturer
- COSMO CO., LTD
- Address
- 1-12, Higashi-Gotanda 2-chome Shinagawa-ku Tokyo JP 141-0022
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix D4945A
The OUI prefix D4945A is assigned to COSMO CO., LTD, based in 1-12, Higashi-Gotanda 2-chome Shinagawa-ku Tokyo JP 141-0022 . 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 COSMO CO., LTD.