172.87.156 is a class C of IPs

Sample IPs from the class C 172.87.156

172.87.156.253	View precise location of 172.87.156.253 on the map!
172.87.156.241	View precise location of 172.87.156.241 on the map!
172.87.156.101	View precise location of 172.87.156.101 on the map!
172.87.156.161	View precise location of 172.87.156.161 on the map!
172.87.156.121	View precise location of 172.87.156.121 on the map!
172.87.156.131	View precise location of 172.87.156.131 on the map!
172.87.156.246	View precise location of 172.87.156.246 on the map!
172.87.156.166	View precise location of 172.87.156.166 on the map!
172.87.156.64	View precise location of 172.87.156.64 on the map!
172.87.156.47	View precise location of 172.87.156.47 on the map!
172.87.156.167	View precise location of 172.87.156.167 on the map!

10 Random IPs

243.37.110.165	Find precise map location of 243.37.110.165
10.89.9.94	Find precise map location of 10.89.9.94
118.166.43.84	Find precise map location of 118.166.43.84
223.146.45.106	Find precise map location of 223.146.45.106
152.16.173.112	Find precise map location of 152.16.173.112
77.117.207.28	Find precise map location of 77.117.207.28
23.218.255.126	Find precise map location of 23.218.255.126
142.185.229.182	Find precise map location of 142.185.229.182
67.107.107.3	Find precise map location of 67.107.107.3
106.93.177.158	Find precise map location of 106.93.177.158
179.244.167.163	Find precise map location of 179.244.167.163

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