Find the vendor name of a device by entering an OUI or a MAC address
Guangdong COROS Sports Technology Co., Ltd
Guangdong COROS Sports Technology Co., Ltd , manages 2 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 17.8 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 28 June 2021, and the most recent update was made on 16 June 2025. These allocations support network identification and communication globally.
Unique prefixes: 2
Block Size: 17825790 (17.82 M)
First registration: 28 June 2021
Last updated: 16 June 2025
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 |
|---|---|---|
| 78:5E:E8:6 | MA-M | 2021-06-28 |
| 80:40:05 | MA-L | 2025-06-16 |