How to Find a Website's IP Address: Methods, Tools, and What You Need to Know

Every website on the internet has an IP address sitting behind it — a numerical label that identifies the server hosting that site. While most people interact with domain names like "example.com," the underlying network infrastructure runs entirely on IP addresses. Knowing how to look one up is a practical skill for troubleshooting connectivity issues, verifying DNS configurations, or investigating network behavior.

What Is a Website IP Address?

An IP address (Internet Protocol address) is a unique string of numbers assigned to a device connected to a network. For a website, it identifies the server — or one of many servers — that delivers the site's content to your browser.

There are two IP version formats you'll encounter:

Many large websites use multiple IP addresses spread across different servers and geographic locations. This is part of load balancing and content delivery network (CDN) infrastructure — so the IP you find may vary depending on your location and the time of the lookup.

Method 1: Using the Command Line (ping or nslookup)

The fastest method for most users on a desktop or laptop is the built-in command line. No additional software needed.

Using ping

On Windows:

1. Press Windows + R, type cmd, hit Enter
2. Type: ping example.com
3. The IP address appears in brackets next to the domain name in the first line of output

On macOS or Linux:

1. Open Terminal
2. Type: ping example.com
3. The IP address appears in the first output line

Using nslookup

nslookup is more reliable for IP lookups because it queries the DNS (Domain Name System) directly without sending network packets.

• Windows, macOS, Linux: Open your terminal or command prompt and type: nslookup example.com

The output returns the server's address and one or more IP addresses associated with the domain.

Using dig (Linux/macOS)

dig (Domain Information Groper) is a more detailed DNS query tool preferred by network professionals.

• Type: dig example.com
• Look for the ANSWER SECTION — it lists the A record (IPv4) or AAAA record (IPv6) for the domain

Method 2: Online IP Lookup Tools 🔍

If you prefer not to use the command line, several web-based tools perform the same lookup instantly:

• MXToolbox — shows DNS records, IP addresses, and mail server information
• whatismyipaddress.com — has a hostname-to-IP lookup feature
• nslookup.io — clean interface for querying DNS records
• DNSchecker.org — useful for seeing IP addresses from multiple global locations

These tools are particularly helpful if you want to see what IP address different regions of the world resolve to — important when a site uses a CDN or GeoDNS (where DNS responses vary based on the requester's location).

Method 3: Browser Developer Tools

Modern browsers let you inspect network activity, which includes the IP address of the server your browser connected to.

In Chrome or Edge:

1. Open the page you want to check
2. Press F12 to open Developer Tools
3. Click the Network tab
4. Reload the page
5. Click any request to the main domain
6. Look in the Headers panel — the Remote Address field shows the IP and port

This method shows you the actual IP your browser connected to during that specific session, which can differ from a DNS lookup result if the site uses a CDN.

Method 4: WHOIS Lookup

A WHOIS lookup retrieves registration and hosting information for a domain. While its primary purpose is ownership data, it often includes the IP address range or hosting provider associated with a domain.

Tools like whois.domaintools.com or arin.net (for North American IP data) can help identify IP ranges and the organization that owns them.

Understanding Why the IP Might Change or Vary 🌐

Several factors affect what IP address you find for a given website:

• CDN usage: Sites hosted on Cloudflare, Akamai, or Fastly show CDN edge server IPs — not the origin server's true IP
• Load balancing: High-traffic sites rotate across multiple IPs; each lookup may return a different address
• DNS TTL (Time to Live): Cached DNS responses may show outdated IP information if the site recently migrated servers
• Geographic routing: GeoDNS deliberately returns different IPs to users in different countries
• Shared hosting: On shared hosting, many different domains share a single IP address

This is why a single IP lookup result doesn't always tell the complete story about a website's hosting infrastructure.

IPv4 vs IPv6: Which Will You See?

Most lookup tools return IPv4 addresses by default because IPv4 remains the dominant protocol for web infrastructure. However, if a site fully supports IPv6 and your network does too, tools like dig with the AAAA record flag or IPv6-aware lookup services will return the longer IPv6 address.

Your own network configuration — whether your ISP and router support IPv6 — determines which version your device actually uses when connecting. 💻

When Results Don't Match Expectations

If the IP address you find doesn't seem to resolve back to the website's hosting company, that's usually a sign of CDN or proxy usage. Tools like Shodan (for technical users) or SecurityTrails can sometimes reveal historical DNS records that show the origin IP behind a CDN — though site owners often use CDNs specifically to mask those origin addresses for security purposes.

The method that works best for you, and the results you get, depend heavily on your operating system, the tools you have access to, your comfort level with the command line, and what you're actually trying to accomplish with the IP address once you have it.