4.121.71 is a class C of IPs

Sample IPs from the class C 4.121.71

4.121.71.103	View precise location of 4.121.71.103 on the map!
4.121.71.35	View precise location of 4.121.71.35 on the map!
4.121.71.96	View precise location of 4.121.71.96 on the map!
4.121.71.52	View precise location of 4.121.71.52 on the map!
4.121.71.240	View precise location of 4.121.71.240 on the map!
4.121.71.108	View precise location of 4.121.71.108 on the map!
4.121.71.184	View precise location of 4.121.71.184 on the map!
4.121.71.118	View precise location of 4.121.71.118 on the map!
4.121.71.134	View precise location of 4.121.71.134 on the map!
4.121.71.125	View precise location of 4.121.71.125 on the map!
4.121.71.74	View precise location of 4.121.71.74 on the map!

10 Random IPs

113.33.215.69	Find precise map location of 113.33.215.69
45.156.61.170	Find precise map location of 45.156.61.170
26.105.253.53	Find precise map location of 26.105.253.53
142.178.189.141	Find precise map location of 142.178.189.141
120.146.107.109	Find precise map location of 120.146.107.109
64.185.173.82	Find precise map location of 64.185.173.82
161.3.68.65	Find precise map location of 161.3.68.65
61.1.147.11	Find precise map location of 61.1.147.11
75.204.103.98	Find precise map location of 75.204.103.98
235.206.167.31	Find precise map location of 235.206.167.31
110.175.206.172	Find precise map location of 110.175.206.172

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