OUI Lookup
00271b
Alec Sicherheitssysteme GmbH
Manufacturer Information
- OUI Prefix
- 00271b
- Manufacturer
- Alec Sicherheitssysteme GmbH
- Address
- Friedrich-Hoelscher-Strasse 367 Dortmund DE 44328
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00271B
The OUI prefix 00271B is assigned to Alec Sicherheitssysteme GmbH, based in Friedrich-Hoelscher-Strasse 367 Dortmund DE 44328 . 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 Alec Sicherheitssysteme GmbH.