IP Address Type Checker
Check whether an IP address is private, global, or a special-purpose address.
IP address / hostname / URL
- Safe
- The results are not stored or published anywhere.
Explanation
This tool determines which category an IP address belongs to.
| Global (public) IP | A unique IP address that can be routed on the public internet |
|---|---|
| Private IP | Used inside local networks and not directly reachable from the public internet |
| Shared address space | Addresses shared by multiple users behind carrier-grade NAT (CGNAT): 100.64.0.0/10 |
| Loopback | Addresses that refer to the local host (e.g., 127.0.0.1 or ::1) |
| Link-local | Automatically assigned addresses valid only on the local link (e.g., 169.254.x.x or fe80::/10) |
| Multicast | Addresses used to deliver packets to multiple hosts (e.g., 224.0.0.0/4 or ff00::/8) |
| Broadcast | Addresses used to reach all hosts on the local network (e.g., 255.255.255.255) |
| Reserved | Addresses reserved for special purposes (e.g., 0.0.0.0 or ::) |