D4:55:56 Fiber Mountain Inc.
Every MAC address from D4:55:56:00:00:00 to D4:55:56:FF:FF:FF belongs to a block the IEEE assigned to Fiber Mountain Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who D4:55:56 belongs to
Written D4:55:56, D4-55-56 or D45556, depending on the system. Look up a full address.
Prefix
D4:55:56
Organization
Fiber Mountain Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
D4:55:56:00:00:00
Last address
D4:55:56:FF:FF:FF
Address type
Globally unique, unicast
Registered address
700 W Johnson Ave Cheshire CT US 06410