187.143.15 is a class C of IPs

Sample IPs from the class C 187.143.15

187.143.15.162	View precise location of 187.143.15.162 on the map!
187.143.15.101	View precise location of 187.143.15.101 on the map!
187.143.15.91	View precise location of 187.143.15.91 on the map!
187.143.15.132	View precise location of 187.143.15.132 on the map!
187.143.15.88	View precise location of 187.143.15.88 on the map!
187.143.15.191	View precise location of 187.143.15.191 on the map!
187.143.15.194	View precise location of 187.143.15.194 on the map!
187.143.15.122	View precise location of 187.143.15.122 on the map!
187.143.15.231	View precise location of 187.143.15.231 on the map!
187.143.15.130	View precise location of 187.143.15.130 on the map!
187.143.15.249	View precise location of 187.143.15.249 on the map!

10 Random IPs

66.54.95.187	Find precise map location of 66.54.95.187
49.121.20.93	Find precise map location of 49.121.20.93
140.93.253.17	Find precise map location of 140.93.253.17
31.3.224.104	Find precise map location of 31.3.224.104
144.13.228.89	Find precise map location of 144.13.228.89
216.236.61.1	Find precise map location of 216.236.61.1
106.170.239.61	Find precise map location of 106.170.239.61
10.237.161.106	Find precise map location of 10.237.161.106
221.127.111.161	Find precise map location of 221.127.111.161
89.129.42.44	Find precise map location of 89.129.42.44
124.140.125.53	Find precise map location of 124.140.125.53

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