Special IP address you must know

You must know the Special IP addresses in the IP address. You must know one type of IP addresses. These IP addresses cannot be used in public network 1, local address 127.0.0.X send-back interface 2, Class A address 10. x. x. class A address for X 3, Class B address for 172.16.X.X-172.36.X.X Class B address 4, Class C address for www.2cto.com 192.168.0.X-192.168.20.x Class C address for 5, 224. x. x. *-239. x. x. X is used for Multicast Applications 6 and greater than 240. x. x. X is used for future extension of ps: 1 as the local address. 2, 3, and 4 are generally used as internal network addresses and LAN addresses. Their addresses on the public network are usually converted by routing devices.