My IP Address & Geolocation Lookup
Check your public IP address, Internet Service Provider (ISP), country, and geolocation details.
IPv4 Subnet & CIDR Calculator
Calculate network address, broadcast address, netmask, wildcard mask, and usable host range for any IPv4 CIDR subnet.
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IPv4 Subnet & CIDR Calculator
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How to Use IPv4 Subnet & CIDR Calculator
Enter IP & CIDR
Type an IP address like 192.168.1.100 and select CIDR prefix.
Inspect Subnet
Review network ID, usable host range, and total capacity.
Copy Values
Copy calculated netmask or broadcast addresses easily.
Useful Tips & Best Practices
- •A smaller CIDR prefix means a larger network: /16 is larger than /24. Distinguish network and broadcast addresses from ordinary assignable hosts.
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