Class C IP Address Range
Class C covers all IPv4 addresses from 192.0.0.0 to 223.255.255.255, which means every address whose first number is between 192 and 223. Small networks. The private 192.168.x.x part is used by most home routers.
Class C at a glance
| Address range | 192.0.0.0 – 223.255.255.255 |
|---|---|
| First number | 192 – 223 |
| First bits | 110 |
| Default subnet mask | 255.255.255.0 (/24) |
| Number of networks | 2,097,152 |
| Hosts per network | 254 |
| Private range | 192.168.0.0 – 192.168.255.255 (192.168.0.0/16) |
| Used for | Small networks. The private 192.168.x.x part is used by most home routers. |
Private IP range in Class C
The private part of Class C is 192.168.0.0 – 192.168.255.255 (192.168.0.0/16), with 65,536 addresses. These addresses are used inside local networks and are not routed on the internet.
Common router IPs in Class C
Router and modem makers often use these addresses as the default gateway. Open one to see the login steps:
Browse 192.168.x.x by range
Special addresses in Class C
192.0.2.0/24– TEST-NET-1, used only in documentation and examples.198.51.100.0/24– TEST-NET-2, documentation only.203.0.113.0/24– TEST-NET-3, documentation only.