CIDR IP Subnet Mask & Host Range Calculator
Calculate usable IP host ranges from CIDR subnets.
Initializing tool engine...
How It Works
Simple step-by-step guide to using CIDR IP Subnet Mask & Host Range Calculator
Enter IP & CIDR.
Read usable hosts.
Key Features
What makes CIDR IP Subnet Mask & Host Range Calculator powerful & unique
CIDR Subnet
Calculates subnet mask & hosts.
Frequently Asked Questions
Common questions about CIDR IP Subnet Mask & Host Range Calculator
Related Tools
Other utilities in networking
Calculate subnet masks, network IDs, broadcast addresses, and host capacities.
Format MAC addresses into Colon, Hyphen, or Cisco Dot notation style.
Parse User-Agent HTTP strings to detect browser, operating system, and device type.
Simulate and inspect DNS record types (A, AAAA, MX, TXT) for any domain name.
Popular Tools Across Categories
Explore top utilities from other tool suites
Compare two .env environment configuration files side-by-side. Detect missing environment variables, value mismatches, and export missing key templates.
Format, validate, prettify, and repair JSON strings instantly with syntax highlighting and tree view.
Validate JSON syntax in real-time, pin-pointing exact line and column error locations.
Remove all unnecessary whitespace, newlines, and indentation from JSON payloads to reduce payload size.