172.72.163 is a class C of IPs

Sample IPs from the class C 172.72.163

172.72.163.157	View precise location of 172.72.163.157 on the map!
172.72.163.85	View precise location of 172.72.163.85 on the map!
172.72.163.16	View precise location of 172.72.163.16 on the map!
172.72.163.13	View precise location of 172.72.163.13 on the map!
172.72.163.168	View precise location of 172.72.163.168 on the map!
172.72.163.11	View precise location of 172.72.163.11 on the map!
172.72.163.82	View precise location of 172.72.163.82 on the map!
172.72.163.221	View precise location of 172.72.163.221 on the map!
172.72.163.206	View precise location of 172.72.163.206 on the map!
172.72.163.247	View precise location of 172.72.163.247 on the map!
172.72.163.165	View precise location of 172.72.163.165 on the map!

10 Random IPs

73.195.35.22	Find precise map location of 73.195.35.22
202.87.39.133	Find precise map location of 202.87.39.133
175.123.51.54	Find precise map location of 175.123.51.54
185.81.185.187	Find precise map location of 185.81.185.187
254.82.169.124	Find precise map location of 254.82.169.124
208.21.162.226	Find precise map location of 208.21.162.226
214.228.62.254	Find precise map location of 214.228.62.254
238.32.165.225	Find precise map location of 238.32.165.225
106.238.113.227	Find precise map location of 106.238.113.227
212.246.161.139	Find precise map location of 212.246.161.139
152.83.86.86	Find precise map location of 152.83.86.86

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