OUI Lookup
28840e
silicon valley immigration service
Manufacturer Information
- OUI Prefix
- 28840e
- Manufacturer
- silicon valley immigration service
- Address
- 1410 Sharp Ave, Campbell CA US 95008
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 28840E
The OUI prefix 28840E is assigned to silicon valley immigration service , based in 1410 Sharp Ave, Campbell CA US 95008 . 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 silicon valley immigration service .