A4:EF:52 Telewave Co., Ltd.
Every MAC address from A4:EF:52:00:00:00 to A4:EF:52:FF:FF:FF belongs to a block the IEEE assigned to Telewave Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:EF:52 belongs to
Written A4:EF:52, A4-EF-52 or A4EF52, depending on the system. Look up a full address.
Prefix
A4:EF:52
Organization
Telewave Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:EF:52:00:00:00
Last address
A4:EF:52:FF:FF:FF
Address type
Globally unique, unicast
Registered address
A-203, SK Twintech Tower Seoul KR 153-773