143.209.74 is a class C of IPs

Sample IPs from the class C 143.209.74

143.209.74.155	View precise location of 143.209.74.155 on the map!
143.209.74.18	View precise location of 143.209.74.18 on the map!
143.209.74.231	View precise location of 143.209.74.231 on the map!
143.209.74.242	View precise location of 143.209.74.242 on the map!
143.209.74.180	View precise location of 143.209.74.180 on the map!
143.209.74.110	View precise location of 143.209.74.110 on the map!
143.209.74.246	View precise location of 143.209.74.246 on the map!
143.209.74.167	View precise location of 143.209.74.167 on the map!
143.209.74.59	View precise location of 143.209.74.59 on the map!
143.209.74.255	View precise location of 143.209.74.255 on the map!
143.209.74.25	View precise location of 143.209.74.25 on the map!

10 Random IPs

240.57.167.26	Find precise map location of 240.57.167.26
40.7.222.36	Find precise map location of 40.7.222.36
157.232.208.156	Find precise map location of 157.232.208.156
32.85.186.142	Find precise map location of 32.85.186.142
166.104.61.199	Find precise map location of 166.104.61.199
123.146.50.1	Find precise map location of 123.146.50.1
16.76.77.233	Find precise map location of 16.76.77.233
134.251.36.167	Find precise map location of 134.251.36.167
75.178.81.136	Find precise map location of 75.178.81.136
67.53.74.207	Find precise map location of 67.53.74.207
222.135.170.10	Find precise map location of 222.135.170.10

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