IP Range Calculator

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Calculate comprehensive subnet information from CIDR notation (e.g., 192.168.1.0/24). Displays network address, broadcast address, subnet mask, wildcard mask, usable host range, and total host count. Also converts between CIDR prefix length and dotted-decimal subnet mask. Essential for network administrators, DevOps engineers, firewall rule configuration, and cloud VPC/subnet planning.

IP Range Calculator

Calculate network range, broadcast address, usable hosts, and subnet mask from CIDR notation.

How to Use IP Range Calculator

  1. 1Enter an IP address in CIDR notation (e.g., 10.0.0.0/8)
  2. 2View network address, broadcast, and host range
  3. 3See total usable hosts
  4. 4Convert between CIDR and subnet mask

About IP Range Calculator

Calculate comprehensive subnet information from CIDR notation (e.g., 192.168.1.0/24). Displays network address, broadcast address, subnet mask, wildcard mask, usable host range, and total host count. Also converts between CIDR prefix length and dotted-decimal subnet mask. Essential for network administrators, DevOps engineers, firewall rule configuration, and cloud VPC/subnet planning.

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Your Privacy is Protected

IP Range Calculator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.

No server uploadNo account required100% freeWorks on all devices

Frequently Asked Questions

What is CIDR notation?

CIDR (Classless Inter-Domain Routing) notation combines the IP address and subnet prefix length: 192.168.1.0/24 means the first 24 bits are the network, leaving 8 bits for hosts (254 usable).

Why Use This Tool?

Files never leave your device
No upload to any server
Instant processing in browser
100% free, no account needed

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