78:D8:00:A Insignal Co., Ltd.
Every MAC address from 78:D8:00:A0:00:00 to 78:D8:00:AF:FF:FF belongs to a block the IEEE assigned to Insignal Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 78:D8:00:A belongs to
Written 78:D8:00:A, 78-D8-00-A or 78D800A, depending on the system. Look up a full address.
Prefix
78:D8:00:A/28
Organization
Insignal Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
78:D8:00:A0:00:00
Last address
78:D8:00:AF:FF:FF
Address type
Globally unique, unicast
Registered address
#301, Ace High-end Tower 1st, 5 Digital-ro 26-gil Seoul KR ASI KR KS013 SEOUL
Parent block
Inside 78:D8:00
This MA-M block is carved from the 24-bit block 78:D8:00, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.