163.33.18 is a class C of IPs

Sample IPs from the class C 163.33.18

163.33.18.217	View precise location of 163.33.18.217 on the map!
163.33.18.180	View precise location of 163.33.18.180 on the map!
163.33.18.134	View precise location of 163.33.18.134 on the map!
163.33.18.239	View precise location of 163.33.18.239 on the map!
163.33.18.109	View precise location of 163.33.18.109 on the map!
163.33.18.15	View precise location of 163.33.18.15 on the map!
163.33.18.169	View precise location of 163.33.18.169 on the map!
163.33.18.212	View precise location of 163.33.18.212 on the map!
163.33.18.204	View precise location of 163.33.18.204 on the map!
163.33.18.49	View precise location of 163.33.18.49 on the map!
163.33.18.217	View precise location of 163.33.18.217 on the map!

10 Random IPs

140.70.107.232	Find precise map location of 140.70.107.232
1.1.236.13	Find precise map location of 1.1.236.13
222.122.60.239	Find precise map location of 222.122.60.239
135.116.53.136	Find precise map location of 135.116.53.136
72.86.162.71	Find precise map location of 72.86.162.71
1.24.39.158	Find precise map location of 1.24.39.158
113.249.180.19	Find precise map location of 113.249.180.19
132.225.31.90	Find precise map location of 132.225.31.90
105.4.205.33	Find precise map location of 105.4.205.33
169.173.146.44	Find precise map location of 169.173.146.44
12.138.114.72	Find precise map location of 12.138.114.72

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