Dongahelecomm

Any device whose MAC address begins with 00:1A:3A has a network interface built by Dongahelecomm. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:1A:3A

Organization

Dongahelecomm

Address

678-3,Jeil-ri,Yanggi-myun,Cheoin-gu Yongin-si Gyeonggi-do KR 449-821

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.