Networking Tools — Online Tools Suite
CIDR & subnet calculators, IPv4/IPv6 validators, IP range tools, and HTTP header inspectors.
Subnet & CIDR Calculator
Calculate IP subnet mask, network address, broadcast address, and usable host ranges.
IP Address & Geolocation Inspector
Analyze IPv4/IPv6 addresses, RFC classification, binary format, and network zone.
DNS Record Lookup (A, AAAA, MX, TXT, NS)
Query live domain DNS records including A, MX, TXT/SPF, CNAME, and Nameservers.
WHOIS & RDAP Domain Lookup
Inspect domain registration data, TLD registry info, nameservers, and status codes.
Frequently Asked Questions About Networking Tools
What tools are included in the Networking Tools suite?
Our Networking Tools suite includes 4 specialized utilities such as Subnet & CIDR Calculator, IP Address & Geolocation Inspector, DNS Record Lookup (A, AAAA, MX, TXT, NS), WHOIS & RDAP Domain Lookup.
Are the Networking Tools free to use without registration?
Yes! All standard tools in the Networking Tools category are free to use immediately in your web browser with no mandatory sign-up and no watermarks.
How does ProIT protect my privacy when using Networking Tools?
Client-first utilities run locally inside your browser using HTML5 and Web Crypto APIs. Server-assisted tools run in isolated ephemeral memory and purge files automatically upon completion.