OUI Lookup
001851
SWsoft
Manufacturer Information
- OUI Prefix
- 001851
- Manufacturer
- SWsoft
- Address
- 13755 Sunrise Valley Drive, Suite 600 Herndon VA US 20171
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 001851
The OUI prefix 001851 is assigned to SWsoft, based in 13755 Sunrise Valley Drive, Suite 600 Herndon VA US 20171 . 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 SWsoft.