B4:4D:43:1 iLine Microsystems S.L. (B20956751)
Every MAC address from B4:4D:43:10:00:00 to B4:4D:43:1F:FF:FF belongs to a block the IEEE assigned to iLine Microsystems S.L. (B20956751). Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:4D:43:1 belongs to
Written B4:4D:43:1, B4-4D-43-1 or B44D431, depending on the system. Look up a full address.
Prefix
B4:4D:43:1/28
Organization
iLine Microsystems S.L. (B20956751)
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:4D:43:10:00:00
Last address
B4:4D:43:1F:FF:FF
Address type
Globally unique, unicast
Registered address
(B20956751) Paseo Mikeletegi, 69, 1st floor Donostia - San Sebastián Gipuzkoa ES 20009
Parent block
Inside B4:4D:43
This MA-M block is carved from the 24-bit block B4:4D:43, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.