OUI Lookup
000640
White Rock Networks
Manufacturer Information
- OUI Prefix
- 000640
- Manufacturer
- White Rock Networks
- Address
- Suite #900 Dallas TX US 75252
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000640
The OUI prefix 000640 is assigned to White Rock Networks, based in Suite #900 Dallas TX US 75252 . 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 White Rock Networks.