40:D3:57 Ison Technology Co., Ltd.
Every MAC address from 40:D3:57:00:00:00 to 40:D3:57:FF:FF:FF belongs to a block the IEEE assigned to Ison Technology Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 40:D3:57 belongs to
Written 40:D3:57, 40-D3-57 or 40D357, depending on the system. Look up a full address.
Prefix
40:D3:57
Organization
Ison Technology Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
40:D3:57:00:00:00
Last address
40:D3:57:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Room 6, 20F, No. 77, section 1, Xintai 5th Rd. Xizhi District New Taipei City Taiwan TW 22101