20:41:81 ESYSE GmbH Embedded Systems Engineering
Every MAC address from 20:41:81:00:00:00 to 20:41:81:FF:FF:FF belongs to a block the IEEE assigned to ESYSE GmbH Embedded Systems Engineering. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 20:41:81 belongs to
Written 20:41:81, 20-41-81 or 204181, depending on the system. Look up a full address.
Prefix
20:41:81
Organization
ESYSE GmbH Embedded Systems Engineering
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
20:41:81:00:00:00
Last address
20:41:81:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Ruth-Niehaus Str. 8 Meerbusch Nordrhein-Westfalen DE 40667
Same organization
Other blocks assigned to ESYSE GmbH Embedded Systems Engineering
1 more block registered under the same name.