2C:91:EF Golmar Sistemas de Comunicacion SA
Every MAC address from 2C:91:EF:00:00:00 to 2C:91:EF:FF:FF:FF belongs to a block the IEEE assigned to Golmar Sistemas de Comunicacion SA. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 2C:91:EF belongs to
Written 2C:91:EF, 2C-91-EF or 2C91EF, depending on the system. Look up a full address.
Prefix
2C:91:EF
Organization
Golmar Sistemas de Comunicacion SA
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
2C:91:EF:00:00:00
Last address
2C:91:EF:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Silici 13 Cornella de Llobregat Barcelona ES 08940