00:03:EF Oneline AG
Every MAC address from 00:03:EF:00:00:00 to 00:03:EF:FF:FF:FF belongs to a block the IEEE assigned to Oneline AG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:03:EF belongs to
Written 00:03:EF, 00-03-EF or 0003EF, depending on the system. Look up a full address.
Prefix
00:03:EF
Organization
Oneline AG
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:03:EF:00:00:00
Last address
00:03:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Steinfeldstraße 3 DE