Find the vendor name of a device by entering an OUI or a MAC address
Jinan USR IOT Technology Limited
Jinan USR IOT Technology Limited , manages 3 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 34.6 million addresses.
The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each), and MA-M (Mac Address Block Medium, ~1 Million addresses each).
The company registered its MAC address allocation on 09 September 2021, and the most recent update was made on 30 April 2026. These allocations support network identification and communication globally.
Unique prefixes: 3
Block Size: 34603005 (34.6 M)
First registration: 09 September 2021
Last updated: 30 April 2026
MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
MA-M:Mac Address Block Medium. Number of address 2^20 (~1 Million)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 38:F4:06 | MA-L | 2026-04-30 |
| D4:AD:20 | MA-L | 2022-05-26 |
| F4:70:0C:6 | MA-M | 2021-09-09 |