Which network tool should you use?
Start with the question you are trying to answer. Use IP Location for approximate geographic context, IP WHOIS / RDAP for registered address-space information, ASN Lookup for the broader routing network, and Reverse DNS when you want to know whether an address has a PTR hostname.
For privacy testing, first establish your current public IP, then use the VPN, WebRTC, IPv6 and DNS diagnostics as separate checks. For security context, reputation and threat classifications can add useful signals, but they should be combined with your own logs rather than treated as identity evidence.
Why the toolkit stays focused
IP-Lookup.com deliberately concentrates on IP addressing, DNS, routing, privacy and network calculations. Keeping the tools related makes internal navigation more useful and gives each page enough technical context to explain the result instead of becoming a collection of unrelated one-line utilities.