141.13.121 is a class C of IPs

Sample IPs from the class C 141.13.121

141.13.121.152	View precise location of 141.13.121.152 on the map!
141.13.121.124	View precise location of 141.13.121.124 on the map!
141.13.121.101	View precise location of 141.13.121.101 on the map!
141.13.121.229	View precise location of 141.13.121.229 on the map!
141.13.121.36	View precise location of 141.13.121.36 on the map!
141.13.121.217	View precise location of 141.13.121.217 on the map!
141.13.121.62	View precise location of 141.13.121.62 on the map!
141.13.121.160	View precise location of 141.13.121.160 on the map!
141.13.121.70	View precise location of 141.13.121.70 on the map!
141.13.121.148	View precise location of 141.13.121.148 on the map!
141.13.121.228	View precise location of 141.13.121.228 on the map!

10 Random IPs

45.109.37.216	Find precise map location of 45.109.37.216
9.193.215.71	Find precise map location of 9.193.215.71
105.212.47.156	Find precise map location of 105.212.47.156
211.16.79.38	Find precise map location of 211.16.79.38
65.123.17.126	Find precise map location of 65.123.17.126
220.202.214.80	Find precise map location of 220.202.214.80
7.60.54.188	Find precise map location of 7.60.54.188
92.140.129.95	Find precise map location of 92.140.129.95
157.51.208.71	Find precise map location of 157.51.208.71
217.239.69.148	Find precise map location of 217.239.69.148
109.29.20.217	Find precise map location of 109.29.20.217

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