OUI Lookup
c4c19f
National Oilwell Varco Instrumentation, Monitoring, and Optimization (NOV IMO)
Manufacturer Information
- OUI Prefix
- c4c19f
- Manufacturer
- National Oilwell Varco Instrumentation, Monitoring, and Optimization (NOV IMO)
- Address
- 1200 Cypress Creek Rd. Cedar Park TX US 78613
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix C4C19F
The OUI prefix C4C19F is assigned to National Oilwell Varco Instrumentation, Monitoring, and Optimization (NOV IMO), based in 1200 Cypress Creek Rd. Cedar Park TX US 78613 . 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 National Oilwell Varco Instrumentation, Monitoring, and Optimization (NOV IMO).