191.157.42 is a class C of IPs

Sample IPs from the class C 191.157.42

191.157.42.131	View precise location of 191.157.42.131 on the map!
191.157.42.95	View precise location of 191.157.42.95 on the map!
191.157.42.148	View precise location of 191.157.42.148 on the map!
191.157.42.166	View precise location of 191.157.42.166 on the map!
191.157.42.89	View precise location of 191.157.42.89 on the map!
191.157.42.119	View precise location of 191.157.42.119 on the map!
191.157.42.149	View precise location of 191.157.42.149 on the map!
191.157.42.101	View precise location of 191.157.42.101 on the map!
191.157.42.46	View precise location of 191.157.42.46 on the map!
191.157.42.80	View precise location of 191.157.42.80 on the map!
191.157.42.185	View precise location of 191.157.42.185 on the map!

10 Random IPs

140.203.58.190	Find precise map location of 140.203.58.190
239.58.242.45	Find precise map location of 239.58.242.45
238.70.248.188	Find precise map location of 238.70.248.188
253.135.193.226	Find precise map location of 253.135.193.226
136.122.100.229	Find precise map location of 136.122.100.229
52.45.185.240	Find precise map location of 52.45.185.240
44.8.83.189	Find precise map location of 44.8.83.189
7.184.165.158	Find precise map location of 7.184.165.158
72.122.21.29	Find precise map location of 72.122.21.29
30.246.76.191	Find precise map location of 30.246.76.191
250.190.204.122	Find precise map location of 250.190.204.122

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