18:40:A4 Shenzhen Trylong Smart Science and Technology Co., Ltd.
Every MAC address from 18:40:A4:00:00:00 to 18:40:A4:FF:FF:FF belongs to a block the IEEE assigned to Shenzhen Trylong Smart Science and Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 18:40:A4 belongs to
Written 18:40:A4, 18-40-A4 or 1840A4, depending on the system. Look up a full address.
Prefix
18:40:A4
Organization
Shenzhen Trylong Smart Science and Technology Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
18:40:A4:00:00:00
Last address
18:40:A4:FF:FF:FF
Address type
Globally unique, unicast
Registered address
15E, qingdian building, No#6007, Binhe road, futian district Shenzhen city Guangdong Province CN 518100