With this you can easily make changes to IP numbers and get results about who owns the IP address instead.

LINK: http://www.whoisip.se/


By this you can find for example IP addresses, autonomous system numbers (ASN), organizations or customers that are associated with resources.

LINK: http://itools.com/tool/arin-whois-domain-search


By this you can find the IP address owners contact information. Also the Regional Internet Registry (RIR) who assigns the IP, the assigned owner, location and so much more.

LINK: https://www.whatismyip.com/ip-whois-lookup/