100.66.7.143 is a IP address that we have on file and it has limited location information in our records.
Not every IP address has location information associated with it. This is the case with your lookup of 100.66.7.143 here on IPAddress.com. Use the Whois information to help you identify ownership information that may include the status, contact email, registrant, administrative contact, and technical chart listed in the below chart.
Read about the comparison of a static IP address versus a dynamic one with the differences between the two. Read more...
An email header reveals the physical location of the sender. When you want to know where an email came from, read this. Read more...
Find out how DNS lookup works and how you can use to it to lookup domain names. Read more...