How to perform IP address lookups?

Introduction

As the server administrator, you may often need to perform lookups to various IP addresses in your server logs to determine whether the traffic is normal or not.

Procedure

To determine more information about an IP address, you may need to perform a search via the ARIN database:

ARIN search

However, some 3rd-party tools and databases may provide additional information for the IP address. Here are a few other tools that can be helpful.

IPinfo

IP Location Finder