00:1F:A3 T&W Electronics(Shenzhen)Co.,Ltd.
Every MAC address from 00:1F:A3:00:00:00 to 00:1F:A3:FF:FF:FF belongs to a block the IEEE assigned to T&W Electronics(Shenzhen)Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1F:A3 belongs to
Written 00:1F:A3, 00-1F-A3 or 001FA3, depending on the system. Look up a full address.
Prefix
00:1F:A3
Organization
T&W Electronics(Shenzhen)Co.,Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1F:A3:00:00:00
Last address
00:1F:A3:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2F,Baiying Building, No.1019, ShenZhen GuangDong CN 518067