EC:5B:CD:9 C&D Technologies
Every MAC address from EC:5B:CD:90:00:00 to EC:5B:CD:9F:FF:FF belongs to a block the IEEE assigned to C&D Technologies. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who EC:5B:CD:9 belongs to
Written EC:5B:CD:9, EC-5B-CD-9 or EC5BCD9, depending on the system. Look up a full address.
Prefix
EC:5B:CD:9/28
Organization
C&D Technologies
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
EC:5B:CD:90:00:00
Last address
EC:5B:CD:9F:FF:FF
Address type
Globally unique, unicast
Registered address
200 Precision Road Horsham PA US 19044
Parent block
Inside EC:5B:CD
This MA-M block is carved from the 24-bit block EC:5B:CD, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.