18:45:B3:8 ShenZhen Topband Co.,Ltd
Every MAC address from 18:45:B3:80:00:00 to 18:45:B3:8F:FF:FF belongs to a block the IEEE assigned to ShenZhen Topband Co.,Ltd. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:45:B3:8 belongs to
Written 18:45:B3:8, 18-45-B3-8 or 1845B38, depending on the system. Look up a full address.
Prefix
18:45:B3:8/28
Organization
ShenZhen Topband Co.,Ltd
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
18:45:B3:80:00:00
Last address
18:45:B3:8F:FF:FF
Address type
Globally unique, unicast
Registered address
Topband Industrial Park, Shiyan Town, Bao'anDistrict,Shenzhen Shenzhen CN 518000
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.