IP Address Tools
Subnet calculator, CIDR converter, and IPv4/IPv6 address analysis
Free
Client-Side
No Login
No Storage
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How to Use the IP Address Tools
- Enter an IPv4 address with optional CIDR notation (e.g.
192.168.1.0/24). - Click Calculate for full subnet details.
Shows network/broadcast addresses, host range, total hosts, IP class, private range detection, and binary representation.