00:04:65 i.s.t isdn-support technik GmbH
Every MAC address from 00:04:65:00:00:00 to 00:04:65:FF:FF:FF belongs to a block the IEEE assigned to i.s.t isdn-support technik GmbH. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:04:65 belongs to
Written 00:04:65, 00-04-65 or 000465, depending on the system. Look up a full address.
Prefix
00:04:65
Organization
i.s.t isdn-support technik GmbH
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:04:65:00:00:00
Last address
00:04:65:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Rhein Strasse 7E DE