90:F4:21:9 Twunicom Life Tech. Co., Ltd.
Every MAC address from 90:F4:21:90:00:00 to 90:F4:21:9F:FF:FF belongs to a block the IEEE assigned to Twunicom Life Tech. Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 90:F4:21:9 belongs to
Written 90:F4:21:9, 90-F4-21-9 or 90F4219, depending on the system. Look up a full address.
Prefix
90:F4:21:9/28
Organization
Twunicom Life Tech. Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
90:F4:21:90:00:00
Last address
90:F4:21:9F:FF:FF
Address type
Globally unique, unicast
Registered address
5F., No. 93, Zhongcheng Rd., Tucheng Dist. New Taipei City TW 236658
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.