MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SiFive Inc
Unique prefixes: 2
Block Size: 8190 (8.19 k)
First registration: 15 February 2018
Last updated: 25 March 2024
Types
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 70:B3:D5:92:F | MA-S | 2018-02-15 |
| 8C:1F:64:13:C | MA-S | 2024-03-12 |