MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
YT
IEEE Registrant 5 Prefixes
YSTen Technology Co.,Ltd
YSTen Technology Co.,Ltd manages 5 unique MAC address prefixes. These prefixes have a total block size of 68.2 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 30 October 2016, and the most recent update was made on 09 January 2026. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 68157435 (68.15 M)
First registration 30 October 2016
Last updated 09 January 2026
Entity Details
Unique prefixes 5
Block Size 68157435 (68.15 M)
First registration 30 October 2016
Last updated 09 January 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)MA-M: Block Type
Mac Address Block Medium. Number of address 2^20 (~1 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 58:B4:2D | MA-L | 2017-05-24 |
| 78:68:F7 | MA-L | 2016-10-30 |
| 80:77:86:8 | MA-M | 2026-01-09 |
| 90:49:92 | MA-L | 2022-02-24 |
| AC:BB:61 | MA-L | 2018-12-01 |