IPv6 Port Checker

Check if ports are open, closed, or filtered on IPv6 addresses with this free online tool.

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About This Tool

The IPv6 Port Checker is a professional tool that allows you to test port accessibility on IPv6 addresses. Enter an IPv6 address and port number to check its status (open, closed, or filtered), or upload a CSV/TXT file for bulk checking. The tool performs actual TCP connection attempts and provides detailed results including response time and status. Perfect for network administrators, developers, and security professionals working with IPv6 networks.

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How to Use

Enter a valid IPv6 address (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:
in the first field.
Enter a port number (1-
in the second field.
Click 'Check Port' to test a single address.
For bulk checks, click the upload area or drag/drop a CSV or TXT file with IPv6:port pairs (one per line).
View results in the output section with status, response time, and details.

Frequently Asked Questions

Find Quick Answers

What is an IPv6 port checker?

An IPv6 port checker is a tool that tests whether a specific port on an IPv6 address is open (accepting connections), closed (not listening), or filtered (blocked by a firewall).

How accurate are the results?

The tool performs actual TCP connection attempts to the target IPv6 address and port, providing real-time results. Accuracy depends on network conditions and firewall configurations.

Can I check multiple ports at once?

Yes, you can upload a CSV or TXT file containing multiple IPv6:port pairs (one per line) for bulk checking. The tool will process all entries and display results in a table.

What formats are supported for bulk upload?

The tool supports CSV files (with IPv6,port columns) and plain TXT files with one IPv6:port pair per line (e.g., 2001:db8::1:80).

Is this tool free to use?

Yes, this IPv6 port checker is completely free with no limitations on the number of checks you can perform.

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