B4:37:D1:1 Alturna Networks
Every MAC address from B4:37:D1:10:00:00 to B4:37:D1:1F:FF:FF belongs to a block the IEEE assigned to Alturna Networks. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:37:D1:1 belongs to
Written B4:37:D1:1, B4-37-D1-1 or B437D11, depending on the system. Look up a full address.
Prefix
B4:37:D1:1/28
Organization
Alturna Networks
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:37:D1:10:00:00
Last address
B4:37:D1:1F:FF:FF
Address type
Globally unique, unicast
Registered address
De Huchtstraat 35 Almere Flevoland NL 1327 EC
Parent block
Inside B4:37:D1
This MA-M block is carved from the 24-bit block B4:37:D1, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.
Same organization
Other blocks assigned to Alturna Networks
1 more block registered under the same name.