Network

Tools for IPv4, IPv6, subnetting, DNS, DNSSEC, HTTP, ports, and network cabling.

IP Validator

Validate IPv4 addresses.

View all
IPv4 Conversion

Convert IPv4 to integer and back.

View all
CIDR Calculator

Calculate network, broadcast, mask and hosts from a CIDR.

View all
Web Diagnostics (Query & Lookup)

DNS, WHOIS, OUI and Reverse DNS utilities for quick diagnostics.

View all
Network Cable Wiring Standards

Check wire order and compare T568A and T568B standards when crimping Ethernet cables.

View all
Cable & Rack Label Generator

Generate printable labels for patch panels, switches and cables.

View all
Cable Budget Calculator

Estimate how many 305 m cable drums you need based on average run length and point count.

View all
IPv6 Validator

Validate, expand, normalize, and classify IPv6 addresses.

View all
IPv6 CIDR Calculator

Calculate the prefix, host bits, and size of an IPv6 network.

View all
Special IP Classifier

Identify private, reserved, multicast, link-local, and documentation ranges.

View all
DNS Propagation Checker

Compare DNS answers from public resolvers to observe cache and propagation differences.

View all
DNSSEC Analyzer

Query DS, DNSKEY, and RRSIG records and inspect DNSSEC validation signals.

View all
HTTP Headers Analyzer

Inspect status, final URL, and headers exposed by an HTTP endpoint.

View all
Port and Service Lookup

Look up a port, protocol, IANA range, and commonly associated service.

View all