1C:21:D1:A LG CNS
Every MAC address from 1C:21:D1:A0:00:00 to 1C:21:D1:AF:FF:FF belongs to a block the IEEE assigned to LG CNS. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 1C:21:D1:A belongs to
Written 1C:21:D1:A, 1C-21-D1-A or 1C21D1A, depending on the system. Look up a full address.
Prefix
1C:21:D1:A/28
Organization
LG CNS
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
1C:21:D1:A0:00:00
Last address
1C:21:D1:AF:FF:FF
Address type
Globally unique, unicast
Registered address
21F, FKI Tower, 24, Yeoui-daero, Yeongdeungpo-gu Seoul KR 150-881
Parent block
Inside 1C:21:D1
This MA-M block is carved from the 24-bit block 1C:21:D1, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to LG CNS
1 more block registered under the same name.