Professional-grade tools for network engineers, system administrators, and IT professionals. All tools are free to use with no registration required.
Instantly see your public IPv4 or IPv6 address along with geolocation, ISP, and network details. No input needed.
Calculate IPv4/IPv6 subnets with CIDR notation. Get network address, broadcast address, usable host range, and subnet mask in binary format.
Query DNS records including A, AAAA, MX, TXT, CNAME, and NS records. Check DNS propagation across multiple locations.
Test if specific TCP ports are open or closed on any host. Includes common port reference and service identification.
Check if a website is up or down. Get HTTP status codes, response times, and SSL certificate status.
Get detailed information about any IP address including geolocation, ISP, ASN, and organization details.
Convert between bandwidth units (Mbps, GB/s) and calculate file transfer times based on connection speed.
Analyze SSL/TLS certificates including validity, issuer information, certificate chain, and cipher suite details.
Query domain WHOIS information including registrar, registration dates, nameservers, and domain status.
Measure network latency using TCP connections. Get min/max/average latency, packet loss percentage, and jitter statistics.
Generate configuration files for iptables, Nginx reverse proxy, Apache, and ACL rules.
Identify whether any IPv4 or IPv6 address belongs to a private, CGNAT, loopback, multicast, documentation, or other special-purpose range. Includes RFC references and routability info.
We're constantly adding new tools based on community feedback. Have a suggestion? Let us know what tools would help your workflow.
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