AltraTools
🌐

IP Range Calculator

Calculate network ranges, subnet masks, and usable hosts from CIDR notation

Examples:

💡 CIDR notation combines an IP address with a prefix length (e.g., /24 = 256 addresses)

Free IP Range Calculator (CIDR)

Calculate IP address ranges from CIDR notation. Get network address, broadcast address, usable host range, subnet mask, and more. Essential for network administrators and developers.

Features

  • CIDR Parsing: Enter any valid CIDR like 192.168.1.0/24
  • Full Range Info: Network, broadcast, first/last usable IPs
  • Subnet Details: Mask, wildcard, total and usable hosts
  • Binary View: See network and mask in binary format
  • IP Classification: Class A/B/C/D/E and private/public status

Use Cases

Network planning, firewall rules, VPC configuration, subnetting exercises, and IP address management.