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What is an IP Address? Definition for Website Analytics and Privacy
An IP address is a numerical network address assigned to a device or connection that uses the Internet Protocol. Websites receive IP address information because servers need it to route requests and responses across the internet.
In website analytics, IP addresses can be used for approximate geolocation, abuse prevention, bot filtering, security, rate limiting, and sometimes visitor identification. They also raise privacy questions because an IP address can be personal data in many contexts.
IPv4 and IPv6
There are two common IP address formats:
- IPv4, such as 192.0.2.1
- IPv6, such as 2001:db8::1
IPv4 addresses are shorter and older. IPv6 addresses were introduced because the internet needed far more address space.
IP addresses in analytics
Analytics tools may use IP addresses to estimate:
- Country
- Region
- City
- Internet service provider
- Organization
- Bot or abuse signals
- Duplicate or suspicious activity
This location data is approximate. It usually identifies the network or connection, not the exact person or precise address. Mobile networks, VPNs, corporate networks, proxies, and privacy tools can make IP-based location less accurate.
Privacy considerations
Because IP addresses can relate to an identifiable person, analytics teams should avoid storing or exposing them unnecessarily. Privacy-friendly analytics platforms often anonymize, hash, truncate, or avoid retaining raw IP addresses.
Swetrix is designed to provide useful geographic and traffic insights without turning IP addresses into invasive visitor profiles.
Related terms: personal data, web analytics, GDPR, and user agent.
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