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IP Address Validator

Validate IPv4 and IPv6 addresses with CIDR notation support

Key Facts

Category
Validation
Input Types
text
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The IP Address Validator is a straightforward online tool that checks if a given string is a valid IPv4 or IPv6 address, including support for CIDR notation. It helps ensure accuracy in network-related tasks by providing instant validation results.

When to Use

  • •When configuring network devices or services to verify IP address formats before application.
  • •To validate IP addresses in log files, databases, or user inputs for data consistency.
  • •During software development or testing to prevent errors from malformed IP address entries.

How It Works

  • •Enter an IP address in the input field, with optional CIDR notation for subnet specification.
  • •The tool analyzes the input against standard IPv4 and IPv6 address formats and CIDR rules.
  • •It returns a clear validation result indicating whether the address is valid or invalid.

Use Cases

Network administrators verifying IP addresses during router or firewall configuration.
Security analysts checking IP addresses in access logs or threat intelligence feeds.
Developers testing IP input validation in web forms or API endpoints.

Examples

1. Validating a Public IPv4 Address

Network Engineer
Background
A network engineer is assigning a static IP to a new server and needs to confirm the address format.
Problem
Incorrect IP formatting could lead to network connectivity issues or misconfigurations.
How to Use
Enter '8.8.8.8' in the input field and submit to validate.
Outcome
The tool confirms that '8.8.8.8' is a valid IPv4 address, ready for use.

2. Checking an IPv6 Address with CIDR

Software Developer
Background
A developer is building an application that accepts IP addresses from users and must ensure input validity.
Problem
Malformed user inputs could cause application errors or security vulnerabilities.
How to Use
Input '2001:db8::/32' into the validator to check both the address and CIDR notation.
Outcome
The tool validates that '2001:db8::/32' is a correct IPv6 address with CIDR, allowing safe integration.

Try with Samples

validation
IP Address Samples
Collection of IPv4 and IPv6 addresses in various formats for validation testing
title token address
sample
MAC Address Samples
Collection of MAC addresses in various formats for validation testing
title token address
sample
Server Logs Samples
Server log files with IP addresses for testing extraction
keywords address,ipv4,ipv6
sample
Zero Trust Architecture Samples
Comprehensive Zero Trust architecture samples covering identity authentication, network segmentation, micro-segmentation strategies, and secure access control
keywords network
sample

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FAQ

What IP address formats are supported?

The tool supports both IPv4 (e.g., 192.168.1.1) and IPv6 (e.g., 2001:db8::1) addresses, with optional CIDR notation.

What is CIDR notation?

CIDR (Classless Inter-Domain Routing) notation combines an IP address with a prefix length, like 192.168.1.0/24, to define network ranges.

What happens if I enter an invalid IP address?

The tool will display an error message indicating the address is not valid, helping you identify formatting issues.

Can I validate multiple IP addresses at once?

No, this tool validates one IP address at a time. Enter each address separately for individual checks.

Is there a cost or usage limit?

No, the tool is free to use with no restrictions on the number of validations.

API Documentation

Request Endpoint

POST /en/api/tools/ip-address-validator

Request Parameters

Parameter Name Type Required Description
ipAddress text Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-ip-address-validator": {
      "name": "ip-address-validator",
      "description": "Validate IPv4 and IPv6 addresses with CIDR notation support",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=ip-address-validator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]