In my web log I see 5 hits (to the same web page) all about the same time but from different parts of the world:180.247.114.192         /RelFinder?personId=17586 - From: null  2014-01-10 00:26:40.0   Opera/9.64(Windows NT 5.1; U; en) Presto/2.1.1202.118.236.130         /RelFinder?personId=7985 - From: null   2014-01-10 00:26:31.0   Opera/9.64(Windows NT 5.1; U; en) Presto/2.1.1200.161.80.111      /RelFinder?personId=17679 - From: null  2014-01-10 00:26:31.0   Opera/9.64(Windows NT 5.1; U; en) Presto/2.1.1186.222.83.170      /RelFinder?personId=17454 - From: null  2014-01-10 00:26:31.0   Opera/9.64(Windows NT 5.1; U; en) Presto/2.1.1119.110.81.210      /RelFinder?personId=16801 - From: null  2014-01-10 00:26:30.0   Opera/9.64(Windows NT 5.1; U; en) Presto/2.1.1Any idea why someone would do this? I've seen a couple other visits like this in the past but usually just 2 visits from two different sites at the same time. 
Strange series of page visits to my web site
security;spam;logs