28:39:84 Qidi Technology (shanghai) Co.,Ltd.
Every MAC address from 28:39:84:00:00:00 to 28:39:84:FF:FF:FF belongs to a block the IEEE assigned to Qidi Technology (shanghai) Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:39:84 belongs to
Written 28:39:84, 28-39-84 or 283984, depending on the system. Look up a full address.
Prefix
28:39:84
Organization
Qidi Technology (shanghai) Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
28:39:84:00:00:00
Last address
28:39:84:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Building C, No. 888 Huanhu West Second Road, Pudong New District, Shanghai City, China shanghai CN 200127