8C:1F:64:2B:9 Ultrasonic Engineering Co., Ltd.
Every MAC address from 8C:1F:64:2B:90:00 to 8C:1F:64:2B:9F:FF belongs to a block the IEEE assigned to Ultrasonic Engineering Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:2B:9 belongs to
Written 8C:1F:64:2B:9, 8C-1F-64-2B-9 or 8C1F642B9, depending on the system. Look up a full address.
Prefix
8C:1F:64:2B:9/36
Organization
Ultrasonic Engineering Co., Ltd.
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:2B:90:00
Last address
8C:1F:64:2B:9F:FF
Address type
Globally unique, unicast
Registered address
1-6-1 Kashiwa-cho, Tachikawa-shi Tokyo JP 190-8522
Parent block
Inside 8C:1F:64
This MA-S block is carved from the 24-bit block 8C:1F:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.