1C:A0:EF:3 Sequent AG
Every MAC address from 1C:A0:EF:30:00:00 to 1C:A0:EF:3F:FF:FF belongs to a block the IEEE assigned to Sequent AG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 1C:A0:EF:3 belongs to
Written 1C:A0:EF:3, 1C-A0-EF-3 or 1CA0EF3, depending on the system. Look up a full address.
Prefix
1C:A0:EF:3/28
Organization
Sequent AG
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
1C:A0:EF:30:00:00
Last address
1C:A0:EF:3F:FF:FF
Address type
Globally unique, unicast
Registered address
Eptingerstrasse 3 Basel CH 4052
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 Sequent AG
1 more block registered under the same name.