Information on IP and subnetting
| Class | Address Range Beginning | Address Range Ending | Major Subnet |
| A | 1.0.0.0 | 126.255.255.255 | 255.0.0.0 |
| B | 128.0.0.0 | 191.255.255.255 | 255.255.0.0 |
| C | 192.0.0.0 | 223.255.255.255 | 255.255.255.0 |
| D | 224.0.0.0 | 224.255.255.255 | N/A |
| E | 240.0.0.0 | 240.255.255.255 | N/A |
127.0.0.1 => Local loopback address
Private Network Addresses:
10.0.0.0 - 10.255.255.255
172.16.0.0 - 173.31.255.255
192.168.0.0 - 192.168.255.255