18:45:B3:A Guangzhou Aoshi Internet Information & Technology Co.,Ltd.
Every MAC address from 18:45:B3:A0:00:00 to 18:45:B3:AF:FF:FF belongs to a block the IEEE assigned to Guangzhou Aoshi Internet Information & Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:45:B3:A belongs to
Written 18:45:B3:A, 18-45-B3-A or 1845B3A, depending on the system. Look up a full address.
Prefix
18:45:B3:A/28
Organization
Guangzhou Aoshi Internet Information & Technology Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
18:45:B3:A0:00:00
Last address
18:45:B3:AF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 401-410,A Building ,23# Nanxiang Road, Huangpu District Guangzhou Guangdong CN 510663
Parent block
Inside 18:45:B3
This MA-M block is carved from the 24-bit block 18:45:B3, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.