OUI Lookup
0019b3
Stanford Research Systems
Manufacturer Information
- OUI Prefix
- 0019b3
- Manufacturer
- Stanford Research Systems
- Address
- 1290-D Reamwood Ave Sunnyvale CA US 94089
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0019B3
The OUI prefix 0019B3 is assigned to Stanford Research Systems, based in 1290-D Reamwood Ave Sunnyvale CA US 94089 . 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 Stanford Research Systems.