Siemens Numerical Control Ltd., Nanjing

Any device whose MAC address begins with 00:1C:06 has a network interface built by Siemens Numerical Control Ltd., Nanjing. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1C:06

Organization

Siemens Numerical Control Ltd., Nanjing

Address

No. 18 Siemens Road, Jiangning Development Zone Nanjing JiangSu CN 211100

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.