OUI Lookup
44c39b
OOO RUBEZH NPO
Manufacturer Information
- OUI Prefix
- 44c39b
- Manufacturer
- OOO RUBEZH NPO
- Address
- Pionerskaya 11a Bratsk Irkutsk RU 665717
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 44C39B
The OUI prefix 44C39B is assigned to OOO RUBEZH NPO, based in Pionerskaya 11a Bratsk Irkutsk RU 665717 . 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 OOO RUBEZH NPO.