OUI Lookup
00194a
TESTO AG
Manufacturer Information
- OUI Prefix
- 00194a
- Manufacturer
- TESTO AG
- Address
- Testo Straße 1 Lenzkirch Baden-Württemberg DE 79853
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00194A
The OUI prefix 00194A is assigned to TESTO AG, based in Testo Straße 1 Lenzkirch Baden-Württemberg DE 79853 . 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 TESTO AG.