00:21:2B MSA Auer
Every MAC address from 00:21:2B:00:00:00 to 00:21:2B:FF:FF:FF belongs to a block the IEEE assigned to MSA Auer. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:2B belongs to
Written 00:21:2B, 00-21-2B or 00212B, depending on the system. Look up a full address.
Prefix
00:21:2B
Organization
MSA Auer
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:2B:00:00:00
Last address
00:21:2B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Thiemannstraße 1 Berlin DE 12059