Why is 1 IP address hogging up my web server?

I have an https site with an unusual amount of traffic coming from 1 specific IP address. I look it up on this site http://whatismyipaddress.com but it doesnt tell me precisely who is having so many http request. What else can I do to find more information? Also, is 3.11 MB alot of request? Router says that it is utilizing 35 percent of the bandwidth. Which is high compared to the 1% all other IP's are using. . . Thank you in advance.
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Is it the IP address of your ISP? I assume that it is a routable IP address and not something internal to your network? You could try using something lok egoogle analytics to get more information about how the traffic is getting to your site.

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fstincAuthor Commented:
Cool. Thanks.
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