D4:F9:21 Qingdao Intelligent&Precise Electronics Co.,Ltd.
Every MAC address from D4:F9:21:00:00:00 to D4:F9:21:FF:FF:FF belongs to a block the IEEE assigned to Qingdao Intelligent&Precise Electronics Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:F9:21 belongs to
Written D4:F9:21, D4-F9-21 or D4F921, depending on the system. Look up a full address.
Prefix
D4:F9:21
Organization
Qingdao Intelligent&Precise Electronics Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:F9:21:00:00:00
Last address
D4:F9:21:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.218 Qianwangang Road Qingdao Shangdong CN 266510
Same organization
Other blocks assigned to Qingdao Intelligent&Precise Electronics Co.,Ltd.
22 more blocks registered under the same name.