How to Find Someone's IP Address Legally: 6 Methods (2026)

If you’re wondering how to find someone’s IP address legally, there are six realistic methods: checking email headers, using netstat during an active direct connection, reading your own server or app logs, running an IP lookup tool on an address you already have, asking the person directly, or using DNS to find a public website’s IP. Each method works only in a specific context. An IP address shows network information, such as a country, rough region, and ISP, not a person’s identity.