8C:1F:64:CF:E Instrument Development Group (IDG) at Johns Hopkins University
Every MAC address from 8C:1F:64:CF:E0:00 to 8C:1F:64:CF:EF:FF belongs to a block the IEEE assigned to Instrument Development Group (IDG) at Johns Hopkins University. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 8C:1F:64:CF:E belongs to
Written 8C:1F:64:CF:E, 8C-1F-64-CF-E or 8C1F64CFE, depending on the system. Look up a full address.
Prefix
8C:1F:64:CF:E/36
Organization
Instrument Development Group (IDG) at Johns Hopkins University
Registry
MA-S (36 bits)
Addresses
4,096
First address
8C:1F:64:CF:E0:00
Last address
8C:1F:64:CF:EF:FF
Address type
Globally unique, unicast
Registered address
3701 San Martin Dr Baltimore MD US 21218
Parent block
Inside 8C:1F:64
This MA-S block is carved from the 24-bit block 8C:1F:64, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.