83.1.151 is a class C of IPs

Sample IPs from the class C 83.1.151

83.1.151.12	View precise location of 83.1.151.12 on the map!
83.1.151.108	View precise location of 83.1.151.108 on the map!
83.1.151.40	View precise location of 83.1.151.40 on the map!
83.1.151.231	View precise location of 83.1.151.231 on the map!
83.1.151.245	View precise location of 83.1.151.245 on the map!
83.1.151.225	View precise location of 83.1.151.225 on the map!
83.1.151.230	View precise location of 83.1.151.230 on the map!
83.1.151.134	View precise location of 83.1.151.134 on the map!
83.1.151.148	View precise location of 83.1.151.148 on the map!
83.1.151.47	View precise location of 83.1.151.47 on the map!
83.1.151.245	View precise location of 83.1.151.245 on the map!

10 Random IPs

2.179.132.149	Find precise map location of 2.179.132.149
145.159.142.65	Find precise map location of 145.159.142.65
136.239.177.174	Find precise map location of 136.239.177.174
171.248.15.46	Find precise map location of 171.248.15.46
32.137.11.135	Find precise map location of 32.137.11.135
222.30.36.10	Find precise map location of 222.30.36.10
95.42.120.240	Find precise map location of 95.42.120.240
197.157.130.173	Find precise map location of 197.157.130.173
149.21.194.60	Find precise map location of 149.21.194.60
81.88.236.247	Find precise map location of 81.88.236.247
176.33.227.18	Find precise map location of 176.33.227.18

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