B4:4D:43:9 AD HOC DEVELOPMENTS S.L
Every MAC address from B4:4D:43:90:00:00 to B4:4D:43:9F:FF:FF belongs to a block the IEEE assigned to AD HOC DEVELOPMENTS S.L. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:4D:43:9 belongs to
Written B4:4D:43:9, B4-4D-43-9 or B44D439, depending on the system. Look up a full address.
Prefix
B4:4D:43:9/28
Organization
AD HOC DEVELOPMENTS S.L
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
B4:4D:43:90:00:00
Last address
B4:4D:43:9F:FF:FF
Address type
Globally unique, unicast
Registered address
C/ Mariano Barbacid, 5. 3ª planta Rivas Vaciamadrid Madrid ES 28521
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.
Same organization
Other blocks assigned to AD HOC DEVELOPMENTS S.L
1 more block registered under the same name.