54:9A:11:4 eTauro LLC
Every MAC address from 54:9A:11:40:00:00 to 54:9A:11:4F:FF:FF belongs to a block the IEEE assigned to eTauro LLC. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 54:9A:11:4 belongs to
Written 54:9A:11:4, 54-9A-11-4 or 549A114, depending on the system. Look up a full address.
Prefix
54:9A:11:4/28
Organization
eTauro LLC
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
54:9A:11:40:00:00
Last address
54:9A:11:4F:FF:FF
Address type
Globally unique, unicast
Registered address
PMB 128 Houston TX US 77044
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.