AltoBeam Inc.

Any device whose MAC address begins with 20:98:ED has a network interface built by AltoBeam 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

20:98:ED

Organization

AltoBeam Inc.

Address

B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian Beijing Beijing CN 100083

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.