Henan Thinker Rail Transportation Research Inc.
Any device whose MAC address begins with F8:09:A4 has a network interface built by Henan Thinker Rail Transportation Research Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- F8:09:A4
- Organization
- Henan Thinker Rail Transportation Research Inc.
- Address
- No.63 Dulan Road, High-tech Development Zone Zhengzhou Henan CN 450001
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Assignment history (1)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2026-07-17Assigned to "Henan Thinker Rail Transportation Research Inc."