OUI Lookup
001981
Vivox Inc
Manufacturer Information
- OUI Prefix
- 001981
- Manufacturer
- Vivox Inc
- Address
- 40 Speen Street Framingham MA US 01701
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001981
The OUI prefix 001981 is assigned to Vivox Inc, based in 40 Speen Street Framingham MA US 01701 . 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 Vivox Inc.