88:C9:B3:9 Richbeam (Beijing) Technology Co., Ltd.
Every MAC address from 88:C9:B3:90:00:00 to 88:C9:B3:9F:FF:FF belongs to a block the IEEE assigned to Richbeam (Beijing) Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 88:C9:B3:9 belongs to
Written 88:C9:B3:9, 88-C9-B3-9 or 88C9B39, depending on the system. Look up a full address.
Prefix
88:C9:B3:9/28
Organization
Richbeam (Beijing) Technology Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
88:C9:B3:90:00:00
Last address
88:C9:B3:9F:FF:FF
Address type
Globally unique, unicast
Registered address
2608, Tower A, Tianzuo International, No.12, Zhongguancun South Street, Haidian District Beijing Beijing CN 100081
Parent block
Inside 88:C9:B3
This MA-M block is carved from the 24-bit block 88:C9:B3, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.