OUI Lookup
000b7b
Test-Um Inc.
Manufacturer Information
- OUI Prefix
- 000b7b
- Manufacturer
- Test-Um Inc.
- Address
- 808 Calle Plano Camarillo CA US 93012
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000B7B
The OUI prefix 000B7B is assigned to Test-Um Inc., based in 808 Calle Plano Camarillo CA US 93012 . 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 Test-Um Inc..