Sichuan Tianyi Comheart Telecom Co.,LTD

Any device whose MAC address begins with B8:22:4F has a network interface built by Sichuan Tianyi Comheart Telecom Co.,LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

B8:22:4F

Organization

Sichuan Tianyi Comheart Telecom Co.,LTD

Address

FL12, TowerB,Tianyi international Hotel,No.2 West Section One, Second Ring Road, Chengdu Sichuan CN 610000

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.