citygrow technology co., ltd

Any device whose MAC address begins with 70:8B:78 has a network interface built by citygrow technology 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

70:8B:78

Organization

citygrow technology co., ltd

Address

rm1404, blk A, ,5 - 21 Pak Tin Par Street Tsuen Wan HK

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.