Find the vendor name of a device by entering an OUI or a MAC address
SiFive Inc
SiFive Inc , manages 4 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 16.4 thousand addresses.
The allocation includes the following types: MA-S (Mac Address Block Small, previously named OUI-36, encompasses IAB Assignments, ~4096 addresses each).
The company registered its MAC address allocation on 15 February 2018, and the most recent update was made on 07 January 2025. These allocations support network identification and communication globally.
Unique prefixes: 4
Block Size: 16380 (16.38 k)
First registration: 15 February 2018
Last updated: 07 January 2025
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 |
| 8C:1F:64:E8:8 | MA-S | 2024-11-13 |
| 8C:1F:64:E9:A | MA-S | 2025-01-07 |