00:1B:66 Sennheiser electronic GmbH & Co. KG
Every MAC address from 00:1B:66:00:00:00 to 00:1B:66:FF:FF:FF belongs to a block the IEEE assigned to Sennheiser electronic GmbH & Co. KG. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:66 belongs to
Written 00:1B:66, 00-1B-66 or 001B66, depending on the system. Look up a full address.
Prefix
00:1B:66
Organization
Sennheiser electronic GmbH & Co. KG
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1B:66:00:00:00
Last address
00:1B:66:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Am Labor 1 Wedemark Niedersachsen DE 30900