PINIP.net guides explain server IPs, domain-to-IP lookups, reverse IP discovery, hosting signals, and how to read geolocation results — in plain English alongside the free tools.
Server IP & Network Guides
Plain-language articles on server IPs, reverse DNS-style discovery, hosting signals, and IP lookup results.
Featured
What Is a Server IP Address?
Learn how server IPs differ from residential IPs, why hosting providers assign them, and how to look up a server IP on PINIP.net.
Read guide →How to Find a Website's Server IP (Domain to IP)
Resolve any domain to its A and AAAA records, understand CDN vs origin IPs, and use PINIP Domain to IP for free server lookups.
Read guide →Reverse IP Lookup: Find Domains on the Same Server
How reverse IP / domains-on-IP works, when shared hosting reveals neighbors, and how to run a free reverse IP check on PINIP.net.
Read guide →Hosting & Datacenter IPs Explained
Why cloud, VPS, and colocation IPs look different in lookups — ASN tags, VPN overlap, and how PINIP flags hosting traffic.
Read guide →IPv4 vs IPv6 for Servers: A and AAAA Records
How servers publish IPv4 and IPv6, when mapped addresses matter, and how to convert or compare address families with PINIP tools.
Read guide →
How to Find Your Public IP Address (2026 Guide)
Step-by-step ways to find your public IPv4 or IPv6 address on Windows, macOS, Linux, iPhone, and Android — plus what websites see when you visit.
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What Is an ISP? How Providers Appear in IP Lookups
Learn how Internet Service Providers map to IP addresses, why ASN data matters, and how PINIP.net identifies carriers like VNPT, Jio, and OVH.
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ASN Explained: Autonomous System Numbers in IP Geolocation
What is an ASN, how BGP routing relates to IP lookup results, and why security teams track autonomous systems during fraud checks.
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What Is an IP Address?
Learn what IPv4 and IPv6 addresses are, how they are assigned, and what PINIP.net can (and cannot) tell you from an IP lookup.
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How Accurate Is IP Geolocation?
Why IP location is approximate, when city-level data fails, and how VPNs, mobile networks, and hosting IPs skew results.
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VPN vs Proxy vs Hosting IP
Understand the difference between residential, VPN, proxy, and datacenter IPs — and how PINIP.net flags them.
Read guide →FAQ
Are the guides free?
Yes. Every guide and tool on PINIP.net is free to use in your browser.
Where should I start?
If you have a hostname, use Domain to IP. If you have an IP, start with the IP Lookup homepage.