143.83.151 is a class C of IPs

Sample IPs from the class C 143.83.151

143.83.151.169	View precise location of 143.83.151.169 on the map!
143.83.151.217	View precise location of 143.83.151.217 on the map!
143.83.151.239	View precise location of 143.83.151.239 on the map!
143.83.151.148	View precise location of 143.83.151.148 on the map!
143.83.151.246	View precise location of 143.83.151.246 on the map!
143.83.151.160	View precise location of 143.83.151.160 on the map!
143.83.151.48	View precise location of 143.83.151.48 on the map!
143.83.151.155	View precise location of 143.83.151.155 on the map!
143.83.151.17	View precise location of 143.83.151.17 on the map!
143.83.151.48	View precise location of 143.83.151.48 on the map!
143.83.151.38	View precise location of 143.83.151.38 on the map!

10 Random IPs

39.236.253.197	Find precise map location of 39.236.253.197
250.96.174.183	Find precise map location of 250.96.174.183
28.169.176.24	Find precise map location of 28.169.176.24
99.93.89.152	Find precise map location of 99.93.89.152
186.83.112.205	Find precise map location of 186.83.112.205
99.124.72.223	Find precise map location of 99.124.72.223
189.240.80.157	Find precise map location of 189.240.80.157
210.184.168.70	Find precise map location of 210.184.168.70
186.59.83.37	Find precise map location of 186.59.83.37
158.207.140.182	Find precise map location of 158.207.140.182
106.33.220.123	Find precise map location of 106.33.220.123

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