143.123.183 is a class C of IPs

Sample IPs from the class C 143.123.183

143.123.183.219	View precise location of 143.123.183.219 on the map!
143.123.183.143	View precise location of 143.123.183.143 on the map!
143.123.183.78	View precise location of 143.123.183.78 on the map!
143.123.183.33	View precise location of 143.123.183.33 on the map!
143.123.183.148	View precise location of 143.123.183.148 on the map!
143.123.183.148	View precise location of 143.123.183.148 on the map!
143.123.183.255	View precise location of 143.123.183.255 on the map!
143.123.183.209	View precise location of 143.123.183.209 on the map!
143.123.183.216	View precise location of 143.123.183.216 on the map!
143.123.183.95	View precise location of 143.123.183.95 on the map!
143.123.183.122	View precise location of 143.123.183.122 on the map!

10 Random IPs

214.114.83.233	Find precise map location of 214.114.83.233
78.128.250.82	Find precise map location of 78.128.250.82
22.55.82.13	Find precise map location of 22.55.82.13
6.94.200.52	Find precise map location of 6.94.200.52
210.173.141.141	Find precise map location of 210.173.141.141
108.77.139.26	Find precise map location of 108.77.139.26
32.21.94.224	Find precise map location of 32.21.94.224
194.179.66.54	Find precise map location of 194.179.66.54
81.112.69.36	Find precise map location of 81.112.69.36
240.110.133.111	Find precise map location of 240.110.133.111
244.11.85.228	Find precise map location of 244.11.85.228

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