143.138.192 is a class C of IPs

Sample IPs from the class C 143.138.192

143.138.192.34	View precise location of 143.138.192.34 on the map!
143.138.192.37	View precise location of 143.138.192.37 on the map!
143.138.192.53	View precise location of 143.138.192.53 on the map!
143.138.192.100	View precise location of 143.138.192.100 on the map!
143.138.192.201	View precise location of 143.138.192.201 on the map!
143.138.192.86	View precise location of 143.138.192.86 on the map!
143.138.192.76	View precise location of 143.138.192.76 on the map!
143.138.192.174	View precise location of 143.138.192.174 on the map!
143.138.192.220	View precise location of 143.138.192.220 on the map!
143.138.192.176	View precise location of 143.138.192.176 on the map!
143.138.192.160	View precise location of 143.138.192.160 on the map!

10 Random IPs

158.168.177.66	Find precise map location of 158.168.177.66
47.251.116.230	Find precise map location of 47.251.116.230
5.190.124.55	Find precise map location of 5.190.124.55
211.12.224.159	Find precise map location of 211.12.224.159
24.209.23.22	Find precise map location of 24.209.23.22
71.203.81.216	Find precise map location of 71.203.81.216
89.196.124.110	Find precise map location of 89.196.124.110
44.41.81.9	Find precise map location of 44.41.81.9
92.80.105.50	Find precise map location of 92.80.105.50
97.90.57.71	Find precise map location of 97.90.57.71
54.211.151.180	Find precise map location of 54.211.151.180

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