JianLing Technology CO., LTD

Any device whose MAC address begins with 80:19:FE has a network interface built by JianLing Technology 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

80:19:FE

Organization

JianLing Technology CO., LTD

Address

No. 383-1, Sec. 2, Jinling Rd., Pingzhen Dist., Tao Yuan TW 324

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.