HangZhou DeChangLong Tech&Info Co.,Ltd

Any device whose MAC address begins with 00:1D:DC has a network interface built by HangZhou DeChangLong Tech&Info 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

00:1D:DC

Organization

HangZhou DeChangLong Tech&Info Co.,Ltd

Address

Room 1102,KeJi Mansion, HangZhou ZheJiang CN 310012

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.