- Prefix
- 00:19:81 00-19-81 0019.81
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:19:81:00:00:00 – 00:19:81:FF:FF:FF
- Organization
- Vivox Inc
- Registered address
- 40 Speen Street, Framingham MA 01701, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:19:81:00:00:00
Vivox Inc holds 1 block in total: see all. Source: IEEE Registration Authority public listing.