public IP, private IP range

>private ip
ex:
	class
	A		10.0.0.0 to 10.255.255.255
	B		172.16.0.0 to 172.31.255.255
	C		192.168.0.0 to 192.168.255.255

>public ip
ex (exclude all private ip)
	class
	A		1.0.0.0 to 9.255.255.255 / 11.0.0.0 to 126.255.255.255
	B		128.0.0.0 to 171.255.255.255 / 173.0.0.0 to 191.255.255.255
	C		192.0.0.0 to 195.255.255.255 / 197.0.0.0 to 223.255.255.255
	D		224.0.0.0 to 247.255.255.255 (multicast addresses)
	E		248.0.0.0 to 255.255.255.254 (experimental use)