OUI Lookup
b4e9a3
port industrial automation GmbH
Manufacturer Information
- OUI Prefix
- b4e9a3
- Manufacturer
- port industrial automation GmbH
- Address
- Regensburger Str. 7b Halle (S.) DE 06132
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B4E9A3
The OUI prefix B4E9A3 is assigned to port industrial automation GmbH, based in Regensburger Str. 7b Halle (S.) DE 06132 . 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 port industrial automation GmbH.