Genevisio Ltd.

Any device whose MAC address begins with 30:E0:90 has a network interface built by Genevisio 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

30:E0:90

Organization

Genevisio Ltd.

Address

13F, No.33, Sec. 1, Minsheng Rd. New Taipei City Banqiao Dist. TW 220871

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.