81.117.242 is a class C of IPs

Sample IPs from the class C 81.117.242

81.117.242.123	View precise location of 81.117.242.123 on the map!
81.117.242.38	View precise location of 81.117.242.38 on the map!
81.117.242.189	View precise location of 81.117.242.189 on the map!
81.117.242.232	View precise location of 81.117.242.232 on the map!
81.117.242.213	View precise location of 81.117.242.213 on the map!
81.117.242.30	View precise location of 81.117.242.30 on the map!
81.117.242.239	View precise location of 81.117.242.239 on the map!
81.117.242.242	View precise location of 81.117.242.242 on the map!
81.117.242.191	View precise location of 81.117.242.191 on the map!
81.117.242.55	View precise location of 81.117.242.55 on the map!
81.117.242.170	View precise location of 81.117.242.170 on the map!

10 Random IPs

162.197.24.102	Find precise map location of 162.197.24.102
231.177.166.59	Find precise map location of 231.177.166.59
45.144.46.93	Find precise map location of 45.144.46.93
23.108.215.224	Find precise map location of 23.108.215.224
5.91.90.74	Find precise map location of 5.91.90.74
248.95.170.121	Find precise map location of 248.95.170.121
53.179.108.61	Find precise map location of 53.179.108.61
62.177.1.51	Find precise map location of 62.177.1.51
202.6.250.72	Find precise map location of 202.6.250.72
168.124.131.184	Find precise map location of 168.124.131.184
249.78.57.151	Find precise map location of 249.78.57.151

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.