28:B7:7C:3 Beijing Kitten&Puppy Technology Co.,Ltd.
Every MAC address from 28:B7:7C:30:00:00 to 28:B7:7C:3F:FF:FF belongs to a block the IEEE assigned to Beijing Kitten&Puppy Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:B7:7C:3 belongs to
Written 28:B7:7C:3, 28-B7-7C-3 or 28B77C3, depending on the system. Look up a full address.
Prefix
28:B7:7C:3/28
Organization
Beijing Kitten&Puppy Technology Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
28:B7:7C:30:00:00
Last address
28:B7:7C:3F:FF:FF
Address type
Globally unique, unicast
Registered address
Room Q-101? Floor 2?Q Area, Anningzhuang Back Street?Haidian District Beijing CN 100096
Parent block
Inside 28:B7:7C
This MA-M block is carved from the 24-bit block 28:B7:7C, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.