00:04:FB Commtech, Inc.
Every MAC address from 00:04:FB:00:00:00 to 00:04:FB:FF:FF:FF belongs to a block the IEEE assigned to Commtech, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:04:FB belongs to
Written 00:04:FB, 00-04-FB or 0004FB, depending on the system. Look up a full address.
Prefix
00:04:FB
Organization
Commtech, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:04:FB:00:00:00
Last address
00:04:FB:FF:FF:FF
Address type
Globally unique, unicast
Registered address
9011 E. 37th Street Wichita KS US 67226-2006