NetGeekTools.com

Professional Network Engineering Toolkit

Network Tools for Professionals

A comprehensive suite of fast, reliable network engineering tools accessible from any browser. Calculate subnets, check DNS records, test ports, and monitor uptime - all in one place.

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Core Network Tools

Essential tools for network engineers, system administrators, and IT professionals

What's My IP?

Instantly see your public IPv4 or IPv6 address

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IP Subnet Calculator

Calculate IPv4/IPv6 subnets with CIDR notation support

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DNS Lookup

Query A, AAAA, MX, TXT, CNAME, and NS records

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Port Checker

Check if specific ports are open or closed

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Is It Down?

Real-time website availability and status checker

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IP Address Lookup

Get geolocation, ISP, and ASN information

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Bandwidth Calculator

Convert units and calculate transfer times

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SSL/TLS Certificate Checker

Analyze SSL certificates, validity, and certificate chain

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WHOIS Lookup

Query domain registration and nameserver information

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Ping & Latency Tester

Measure TCP connection latency with statistics

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Network Config Generator

Generate firewall rules and proxy configurations

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IP Range Classifier

Identify private, CGNAT, and special-purpose IP ranges

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Why NetGeekTools?

⚡

Lightning Fast

Global CDN and edge computing for instant results

🔒

Secure & Private

Your data is processed securely and never stored

🎯

Built for Pros

Designed by network engineers for network engineers

NetGeekTools.com - Professional Network Engineering Toolkit