10:03:CD Calix Inc.
Every MAC address from 10:03:CD:00:00:00 to 10:03:CD:FF:FF:FF belongs to a block the IEEE assigned to Calix Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 10:03:CD belongs to
Written 10:03:CD, 10-03-CD or 1003CD, depending on the system. Look up a full address.
Prefix
10:03:CD
Organization
Calix Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
10:03:CD:00:00:00
Last address
10:03:CD:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2777 Orchard Pkwy San Jose CA US 95131