Investigate

It should be noted that to find the IP address of website can easily be done in a few different steps.  Every website has one or more associated IP addresses that it uses to communicate with devices on the network.

IP address geolocation is identification of Internet-connected device’s geographical location, but IP geolocation accuracy can be a concern.

In a search for an IP address location, your results can sometimes be hit or miss. No IP geolocation database is 100% accurate. However, combining the data you collect can help you narrow down the location to the correct city. Use the IP address search tool to determine the owner and location of an IP address.

Are you looking for a long-lost friend, an out of communication relative, or doing a background check on someone to see if they're a good fit for your company? The following article explains how to find someone free of charge if you only have their name, their email address, their phone number, or their username.

The short answer is no, you can't get the IP address of a Facebook user via their profile or other means through Facebook. You'd need access to the Facebook server logs and without legal interjection, Facebook will not hand over those server logs to anyone. The long answer is yes, but you would need to establish a direct connection to the user outside of Facebook.

If you manage a network, website, or have a device connected to the internet that is getting attacked from an IP address or multiple IP addresses, you need to know how to report IP abuse.

Email headers are essential to track down any malicious emails, spam, or where the email came from. An email header can show data from where the email originated.  Also, it shows what email servers the email contacted for delivery.

There are several reasons your IP address is on a blacklist or blocklist.   Your IP may only listed on a single blacklist or blocklist, or even listed on multiple blacklists or blocklists. Each IP blacklist or blocklist uniquely maintained separately and not governed by a central source.  Each may have different standards for listing/delisting IP addresses.

IP address geolocation is never 100% accurate. The information of an IP Address geolocation tool, at best, is going to get you to the city level. However, the physical address level data is not provided by the tool. 

Trace an email address in the most popular programs like Microsoft Outlook, Hotmail, Yahoo, Gmail, and AOL by finding the header.