143.61.31 is a class C of IPs

Sample IPs from the class C 143.61.31

143.61.31.255	View precise location of 143.61.31.255 on the map!
143.61.31.236	View precise location of 143.61.31.236 on the map!
143.61.31.224	View precise location of 143.61.31.224 on the map!
143.61.31.84	View precise location of 143.61.31.84 on the map!
143.61.31.143	View precise location of 143.61.31.143 on the map!
143.61.31.52	View precise location of 143.61.31.52 on the map!
143.61.31.3	View precise location of 143.61.31.3 on the map!
143.61.31.10	View precise location of 143.61.31.10 on the map!
143.61.31.53	View precise location of 143.61.31.53 on the map!
143.61.31.35	View precise location of 143.61.31.35 on the map!
143.61.31.114	View precise location of 143.61.31.114 on the map!

10 Random IPs

194.180.73.38	Find precise map location of 194.180.73.38
60.70.144.191	Find precise map location of 60.70.144.191
9.27.198.7	Find precise map location of 9.27.198.7
234.162.85.79	Find precise map location of 234.162.85.79
128.75.101.44	Find precise map location of 128.75.101.44
248.122.46.160	Find precise map location of 248.122.46.160
105.248.54.228	Find precise map location of 105.248.54.228
2.110.95.38	Find precise map location of 2.110.95.38
12.31.204.53	Find precise map location of 12.31.204.53
98.29.126.255	Find precise map location of 98.29.126.255
18.76.240.145	Find precise map location of 18.76.240.145

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