163.37.113 is a class C of IPs

Sample IPs from the class C 163.37.113

163.37.113.185	View precise location of 163.37.113.185 on the map!
163.37.113.207	View precise location of 163.37.113.207 on the map!
163.37.113.218	View precise location of 163.37.113.218 on the map!
163.37.113.33	View precise location of 163.37.113.33 on the map!
163.37.113.131	View precise location of 163.37.113.131 on the map!
163.37.113.201	View precise location of 163.37.113.201 on the map!
163.37.113.78	View precise location of 163.37.113.78 on the map!
163.37.113.57	View precise location of 163.37.113.57 on the map!
163.37.113.108	View precise location of 163.37.113.108 on the map!
163.37.113.120	View precise location of 163.37.113.120 on the map!
163.37.113.133	View precise location of 163.37.113.133 on the map!

10 Random IPs

59.131.244.177	Find precise map location of 59.131.244.177
81.29.78.176	Find precise map location of 81.29.78.176
220.181.237.200	Find precise map location of 220.181.237.200
33.141.208.178	Find precise map location of 33.141.208.178
191.131.156.16	Find precise map location of 191.131.156.16
234.220.18.57	Find precise map location of 234.220.18.57
175.29.120.226	Find precise map location of 175.29.120.226
224.28.239.122	Find precise map location of 224.28.239.122
108.39.63.191	Find precise map location of 108.39.63.191
83.35.17.93	Find precise map location of 83.35.17.93
248.139.17.37	Find precise map location of 248.139.17.37

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