20:B3:7F:D Xunmu Information Technology (Shanghai) Co., Ltd.
Every MAC address from 20:B3:7F:D0:00:00 to 20:B3:7F:DF:FF:FF belongs to a block the IEEE assigned to Xunmu Information Technology (Shanghai) Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 20:B3:7F:D belongs to
Written 20:B3:7F:D, 20-B3-7F-D or 20B37FD, depending on the system. Look up a full address.
Prefix
20:B3:7F:D/28
Organization
Xunmu Information Technology (Shanghai) Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
20:B3:7F:D0:00:00
Last address
20:B3:7F:DF:FF:FF
Address type
Globally unique, unicast
Registered address
15F,New Bund Oriental Plaza 1,No.512,Haiyang West Road, Pudong New Area, Shanghai Shanghai CN 200135
Parent block
Inside 20:B3:7F
This MA-M block is carved from the 24-bit block 20:B3:7F, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.