| Local LAN | Sample ISP | |
| Network Address: | 192.168.0.0 | 193.181.132.0 |
| Subnet Mask: | 255.255.255.0 | 255.255.255.0 |
| Range of usable IP
addresses: |
192.168.0.1-
192.168.0.254 |
193.181.132.1-
193.181.132.254 |
| Firewall Gateway IP: | 192.168.0.1 | 193.181.132.1 |