Your public IP, at a glance.
InfoSIP shows your public IPv4 and IPv6 addresses and explains what your connection can reveal about your network, location and privacy.
Understand your Internet connection
Clear guides and practical tools for IP addresses, DNS, domains, email security, VPNs and browser privacy.
What does my browser reveal?
See the network, browser, screen and privacy information a website can access.
What is an IP address?
Learn how IP addresses identify network endpoints and route packets across the Internet.
IPv4 vs IPv6
Compare the two major Internet Protocol generations, their formats and how they coexist.
IP geolocation
Estimate the city, region, network and ASN associated with an IP address.
Security & privacy
Understand VPNs, proxies, NAT and what changing your IP does — and does not — hide.
Network tools
Use IP, DNS, domain, email and subnet tools directly from your browser.
Email deliverability check
Review MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI and mail auto-configuration.
Domain lookup
Read public RDAP data including registrar, dates, nameservers, status and DNSSEC.
VPN explained
See how VPN tunnels work, what they protect, their limitations and how to compare services.
Technical browser information
An IP address is not your identity
An IP address can reveal an Internet provider, network and approximate area. It usually does not reveal a person's name or exact home address by itself.