MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Hangzhou Hollysys Automation Co., Ltd
Unique prefixes: 2
Block Size: 17825790 (17.82 M)
First registration: 13 May 2007
Last updated: 26 November 2024
Types
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 |
|---|---|---|
| 00:1C:47 | MA-L | 2007-05-13 |
| 90:88:A9:3 | MA-M | 2024-11-26 |