IP Address Comparison

Compare IP addresses side by side to see their locations, ISPs, ASNs, and connection types. Enter multiple IPs separated by commas in each field.

Enter two IP addresses to compare their location, ISP, and connection type.
You can also enter multiple IPs separated by commas — pairs are compared in order.

How to Compare IP Addresses

Enter IPs in Field A — Type one or more IP addresses separated by commas. Start with your own IP if you're investigating a suspicious address.
Enter IPs in Field B — Add the addresses you want to compare against. They'll be matched pairwise (first with first, second with second).
Review the table — Location, ISP, ASN, and connection type appear side by side. Differences in ASN between two IPs that claim the same city can reveal a VPN or hosting proxy.

When a client's server logs showed repeated login attempts from what looked like our office IP, I loaded my real office IP in Field A and the suspicious one in Field B. The ASNs were completely different — the attacker was spoofing the city, not the network.

Why Compare IP Addresses?

Comparing IP addresses side by side helps you understand the differences in their network origin, geographic location, and provider information. You can enter multiple IPs in each field separated by commas — they'll be compared pairwise in order.

VPN verification — Compare your real IP with a VPN server IP to confirm the VPN is working and hiding your actual location.
Network troubleshooting — Check if two devices are on the same network or different ISPs to diagnose connectivity issues.
Geo-location checks — See how IP geolocation data differs between two addresses, which is useful for understanding location-based services.
Security analysis — Compare a suspicious IP against a known good IP to spot differences in ASN, ISP, or connection type.

How IP Comparison Works

Enter IP addresses (IPv4 or IPv6) into the two fields above. You can enter multiple IPs separated by commas in each field — they'll be matched pairwise (first with first, second with second, and so on). Our tool fetches geolocation, ISP, ASN, and connection type data for each address from public APIs and displays the results side by side. Data includes:

Location — City, region, country, and coordinates
ISP information — Internet service provider name and organizational details
ASN — Autonomous System Number and its description
Connection type — Whether the IP is likely from a residential ISP, datacenter, or VPN provider

Use Cases

IT professionals use IP comparison for VPN audits, CDN configuration checks, and verifying that traffic is routing through the expected network path. Web developers use it to test how their applications handle requests from different geographic regions or network types.

Tips for Effective IP Comparison

The ASN field is usually the most reliable signal when comparing IPs. Two IPs from the same ASN are almost certainly run by the same organization, even if their geographic locations differ. Location data, on the other hand, can be misleading — an IP registered to a cloud provider's regional hub might show a city you don't expect.

For security work, compare suspicious IPs against known good ones from your own infrastructure. A sudden change in ASN, a geographic mismatch (an IP claiming to be from your office but showing a different city), or an unexpected connection type (hosting instead of residential) can all be worth investigating.

Frequently Asked Questions

Can I compare IPv4 and IPv6 addresses?

Yes. The tool supports both IPv4 and IPv6 addresses. You can compare any combination — two IPv4 addresses, two IPv6 addresses, or one of each. This works for individual pairs and within comma-separated batch comparisons too.

What information is compared?

The tool fetches and displays location (city, region, country, coordinates), ISP, organization, ASN, and connection type for each IP. Results are shown side by side, making it easy to spot differences at a glance. When you enter multiple IPs, each comparison row is displayed separately.

Is this data stored or logged?

No. Your IP lookups are performed in real time via public APIs. The data is displayed in your browser and discarded when you leave the page. We don't store lookup history or IP addresses.

How is the connection type determined?

The connection type (residential, hosting, or VPN) is inferred from the IP's ASN and organization name. IPs belonging to known hosting providers (AWS, DigitalOcean, Google Cloud) are classified as hosting. IPs matching VPN provider names are classified as VPN. Everything else is classified as residential. This is a heuristic and may not be 100% accurate.

When would I use this tool for security analysis?

If you have a suspicious IP from your server logs, you can compare it against a known legitimate IP (like your office IP) to spot differences in ASN, ISP, or geographic location. A sudden change in ASN or a mismatch between the claimed location and the actual IP location can be a red flag.