143.123.237 is a class C of IPs

Sample IPs from the class C 143.123.237

143.123.237.83	View precise location of 143.123.237.83 on the map!
143.123.237.41	View precise location of 143.123.237.41 on the map!
143.123.237.191	View precise location of 143.123.237.191 on the map!
143.123.237.210	View precise location of 143.123.237.210 on the map!
143.123.237.114	View precise location of 143.123.237.114 on the map!
143.123.237.106	View precise location of 143.123.237.106 on the map!
143.123.237.58	View precise location of 143.123.237.58 on the map!
143.123.237.82	View precise location of 143.123.237.82 on the map!
143.123.237.8	View precise location of 143.123.237.8 on the map!
143.123.237.90	View precise location of 143.123.237.90 on the map!
143.123.237.150	View precise location of 143.123.237.150 on the map!

10 Random IPs

194.30.111.15	Find precise map location of 194.30.111.15
97.60.107.78	Find precise map location of 97.60.107.78
177.246.45.253	Find precise map location of 177.246.45.253
134.121.229.173	Find precise map location of 134.121.229.173
126.163.82.174	Find precise map location of 126.163.82.174
217.170.141.50	Find precise map location of 217.170.141.50
202.162.191.163	Find precise map location of 202.162.191.163
16.134.92.222	Find precise map location of 16.134.92.222
18.142.129.132	Find precise map location of 18.142.129.132
209.95.13.14	Find precise map location of 209.95.13.14
105.17.134.168	Find precise map location of 105.17.134.168

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