54:9A:11:9 Alfen BV
Every MAC address from 54:9A:11:90:00:00 to 54:9A:11:9F:FF:FF belongs to a block the IEEE assigned to Alfen BV. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:9A:11:9 belongs to
Written 54:9A:11:9, 54-9A-11-9 or 549A119, depending on the system. Look up a full address.
Prefix
54:9A:11:9/28
Organization
Alfen BV
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:9A:11:90:00:00
Last address
54:9A:11:9F:FF:FF
Address type
Globally unique, unicast
Registered address
Hefbrugweg Almere Netherlands NL 1332AP
Parent block
Inside 54:9A:11
This MA-M block is carved from the 24-bit block 54:9A:11, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.