C4:7C:8D:B GC AUTOMATION CO,LTD
Every MAC address from C4:7C:8D:B0:00:00 to C4:7C:8D:BF:FF:FF belongs to a block the IEEE assigned to GC AUTOMATION CO,LTD. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who C4:7C:8D:B belongs to
Written C4:7C:8D:B, C4-7C-8D-B or C47C8DB, depending on the system. Look up a full address.
Prefix
C4:7C:8D:B/28
Organization
GC AUTOMATION CO,LTD
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
C4:7C:8D:B0:00:00
Last address
C4:7C:8D:BF:FF:FF
Address type
Globally unique, unicast
Registered address
SECOND FLOOR,BLD 10,GRAIN INDUSTRIAL PARK,NO.299 GUANPING ROAD,GUANLAN NEW DISTRICT,SHENZHEN CITY,CHINA Shenzhen CN 518000
Parent block
Inside C4:7C:8D
This MA-M block is carved from the 24-bit block C4:7C:8D, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.