143.213.107 is a class C of IPs

Sample IPs from the class C 143.213.107

143.213.107.222	View precise location of 143.213.107.222 on the map!
143.213.107.141	View precise location of 143.213.107.141 on the map!
143.213.107.22	View precise location of 143.213.107.22 on the map!
143.213.107.235	View precise location of 143.213.107.235 on the map!
143.213.107.203	View precise location of 143.213.107.203 on the map!
143.213.107.247	View precise location of 143.213.107.247 on the map!
143.213.107.154	View precise location of 143.213.107.154 on the map!
143.213.107.10	View precise location of 143.213.107.10 on the map!
143.213.107.82	View precise location of 143.213.107.82 on the map!
143.213.107.136	View precise location of 143.213.107.136 on the map!
143.213.107.248	View precise location of 143.213.107.248 on the map!

10 Random IPs

37.143.67.109	Find precise map location of 37.143.67.109
169.166.75.180	Find precise map location of 169.166.75.180
117.217.232.197	Find precise map location of 117.217.232.197
129.32.57.226	Find precise map location of 129.32.57.226
156.74.253.214	Find precise map location of 156.74.253.214
83.188.44.72	Find precise map location of 83.188.44.72
76.200.25.49	Find precise map location of 76.200.25.49
191.13.176.129	Find precise map location of 191.13.176.129
227.70.22.69	Find precise map location of 227.70.22.69
206.43.233.35	Find precise map location of 206.43.233.35
234.88.61.155	Find precise map location of 234.88.61.155

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