Telesquare

Any device whose MAC address begins with D8:19:CE has a network interface built by Telesquare. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

D8:19:CE

Organization

Telesquare

Address

670, Sampyeong-dong, Bundang-gu Seongnam-si Gyeonggi-do KR 463-400

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.