IP ADDRESS

CLASS                                ADDRESS RANGE                        SUPPORTS

CLASS A                 10.0.0.1 TO 10.255.255.254        Supports 16 million hosts on each of 127                                                                                                      networks.
CLASS B                128.0.0.1  TO 191.32.255.254     Supports 65,000 hosts on each of 16,000     networks.

CLASS C                192.0.0.1 TO 223.255.255.254    Supports 254 hosts on each of 2 million networks.

CLASS D               224.0.0.0 TO 239.255.255.254     Reserved for Multicast groups.

CLASS E               240.0.0.0 TO 254.255.255.254      Reserved for future use, or Research and                                                                                                     Development Purposes.
Loop back Address  127.0.0.1 127.255.255.250       This is for NIC(Network Interface Card) Checking                                                                                      Purpose