The next step would be to take a look at one of the regional RIR's (Regional Internet Registry). The RIR's are...
By submitting your personal information, you agree that TechTarget and its partners may contact you regarding relevant content, products and special offers.
the organizations overseeing the allocation and registration of Internet number resources within a particular region of the world. For the US, the site to review is www.ARIN.net -- the American Registry for Internet Numbers (ARIN). You will need to enter the IP address of the organization's Web server. Look over the results as there should be a sub net mask provided and a range.
While this will provide you the information needed to block your competitors IP address range they could always use a proxy, such as TOR, to get around this restriction.
Dig Deeper on Network Security Monitoring and Analysis
Related Q&A from Michael Gregg
Enterprise security expert, Michael Gregg answers a question regarding port 3389 issues when a user tries to open port 3389 RDP on their router to ...continue reading
Security expert Michael Gregg notes the risks to enteprise security that mobile devices may cause.continue reading
Expert Michael Gregg answers a reader question about Snort and the interfaces it uses.continue reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.