IP Address- (Internet Protocol Address) is as your telephone number. It uniquely identifies every host on a network. Just as your mailing address identifies as your home . An IP adderss uniquely identifies a host.
TCP IP address divided into five IP classes:
Class A - 1 - 126
Class B - 128 - 192
Class C - 193 - 223
Class D - 224 - 239
Class E - 240 - 255
Class A - 1 - 126
Class B - 128 - 192
Class C - 193 - 223
Class D - 224 - 239
Class E - 240 - 255
Loopback Address- 127.0.0.1
