1C:A0:EF:4 Leviathan Solutions Ltd.
Every MAC address from 1C:A0:EF:40:00:00 to 1C:A0:EF:4F:FF:FF belongs to a block the IEEE assigned to Leviathan Solutions Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 1C:A0:EF:4 belongs to
Written 1C:A0:EF:4, 1C-A0-EF-4 or 1CA0EF4, depending on the system. Look up a full address.
Prefix
1C:A0:EF:4/28
Organization
Leviathan Solutions Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
1C:A0:EF:40:00:00
Last address
1C:A0:EF:4F:FF:FF
Address type
Globally unique, unicast
Registered address
Abel Jeno utca 23 Budapest HU 1113
Parent block
Inside 1C:A0:EF
This MA-M block is carved from the 24-bit block 1C:A0:EF, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Leviathan Solutions Ltd.
1 more block registered under the same name.