IP, Short for
Internet Protocol, IP is an address of a computer or other network
device on a network using IP or TCP/IP . For Example, the number "166.70.10.23"
is an example of such an address. These addresses are similar to
addresses used on houses and help data reach its appropriate destination
on a network.
There are five classes of available IP ranges: Class
A, Class B, Class C, Class D and Class E, while only A, B and C are
commonly used. Each class allows for a range of valid IP addresses.
Below is a listing of these addresses.
| Class |
Address Range |
Supports |
| Class A |
1.0.0.1 to 126.255.255.254 |
Supports 16 million hosts on each of 127 networks. |
| Class B |
128.1.0.1 to 191.255.255.254 |
Supports 65,000 hosts on each of 16,000 networks. |
| Class C |
192.0.1.1 to 223.255.254.254 |
Supports 254 hosts on each of 2 million networks. |
| Class D |
224.0.0.0 to 239.255.255.255 |
Reserved for multicast groups. |
| Class E |
240.0.0.0 to 254.255.255.254 |
Reserved. |
Ranges 127.x.x.x are reserved for loopback tests, for example,
127.0.0.1. Ranges 255.255.255.255 are used to broadcast to all hosts
on the local network.
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