Convergenet Technologies

Any device whose MAC address begins with 00:30:B0 has a network interface built by Convergenet Technologies. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:30:B0

Organization

Convergenet Technologies

Address

2222 Trade Zone Boulevard San Jose CA US 95131

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.