152.31.4 is a class C of IPs

Sample IPs from the class C 152.31.4

152.31.4.103	View precise location of 152.31.4.103 on the map!
152.31.4.103	View precise location of 152.31.4.103 on the map!
152.31.4.98	View precise location of 152.31.4.98 on the map!
152.31.4.202	View precise location of 152.31.4.202 on the map!
152.31.4.184	View precise location of 152.31.4.184 on the map!
152.31.4.59	View precise location of 152.31.4.59 on the map!
152.31.4.103	View precise location of 152.31.4.103 on the map!
152.31.4.10	View precise location of 152.31.4.10 on the map!
152.31.4.93	View precise location of 152.31.4.93 on the map!
152.31.4.210	View precise location of 152.31.4.210 on the map!
152.31.4.155	View precise location of 152.31.4.155 on the map!

10 Random IPs

45.134.52.154	Find precise map location of 45.134.52.154
11.173.128.100	Find precise map location of 11.173.128.100
219.223.8.236	Find precise map location of 219.223.8.236
161.229.44.60	Find precise map location of 161.229.44.60
172.137.36.42	Find precise map location of 172.137.36.42
192.93.193.168	Find precise map location of 192.93.193.168
56.150.7.165	Find precise map location of 56.150.7.165
221.125.106.54	Find precise map location of 221.125.106.54
240.220.65.57	Find precise map location of 240.220.65.57
245.164.66.144	Find precise map location of 245.164.66.144
212.83.27.82	Find precise map location of 212.83.27.82

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