ChengDu TD Tech
Any device whose MAC address begins with 9C:54:40 has a network interface built by ChengDu TD Tech. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 9C:54:40
- Organization
- ChengDu TD Tech
- Address
- C3 floor, software park, No. 219, Tianhua Second Road Chengdu Tianfu Avenue, high tech Zone CN 610041
- 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.