A4:57:A0 SAMJIN Co., Ltd.
Every MAC address from A4:57:A0:00:00:00 to A4:57:A0:FF:FF:FF belongs to a block the IEEE assigned to SAMJIN Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:57:A0 belongs to
Written A4:57:A0, A4-57-A0 or A457A0, depending on the system. Look up a full address.
Prefix
A4:57:A0
Organization
SAMJIN Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
A4:57:A0:00:00:00
Last address
A4:57:A0:FF:FF:FF
Address type
Globally unique, unicast
Registered address
199-6, Anyang 7-dong, Manan-gu Anyang-si Gyeonggi-do KR 430-817