90:F4:21:D Taichitel Technology Shanghai Co.,Ltd.
Every MAC address from 90:F4:21:D0:00:00 to 90:F4:21:DF:FF:FF belongs to a block the IEEE assigned to Taichitel Technology Shanghai Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:F4:21:D belongs to
Written 90:F4:21:D, 90-F4-21-D or 90F421D, depending on the system. Look up a full address.
Prefix
90:F4:21:D/28
Organization
Taichitel Technology Shanghai Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
90:F4:21:D0:00:00
Last address
90:F4:21:DF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 502, Building 1, NO. 519 Yide Road, Pudong New Area, Shanghai, China Shanghai CN 200124
Parent block
Inside 90:F4:21
This MA-M block is carved from the 24-bit block 90:F4:21, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.