28:B7:7C:2 Zhuhai RongBang Electronic Technology Co., Ltd.
Every MAC address from 28:B7:7C:20:00:00 to 28:B7:7C:2F:FF:FF belongs to a block the IEEE assigned to Zhuhai RongBang Electronic Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 28:B7:7C:2 belongs to
Written 28:B7:7C:2, 28-B7-7C-2 or 28B77C2, depending on the system. Look up a full address.
Prefix
28:B7:7C:2/28
Organization
Zhuhai RongBang Electronic Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
28:B7:7C:20:00:00
Last address
28:B7:7C:2F:FF:FF
Address type
Globally unique, unicast
Registered address
Room 110-400(central office) , building 18, Creative Valley, 1889 Huandao East road, Hengqin New District, Zhuhai GuangDong CN 519000
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.