233.18.13 is a class C of IPs

Sample IPs from the class C 233.18.13

233.18.13.5	View precise location of 233.18.13.5 on the map!
233.18.13.182	View precise location of 233.18.13.182 on the map!
233.18.13.19	View precise location of 233.18.13.19 on the map!
233.18.13.139	View precise location of 233.18.13.139 on the map!
233.18.13.39	View precise location of 233.18.13.39 on the map!
233.18.13.87	View precise location of 233.18.13.87 on the map!
233.18.13.90	View precise location of 233.18.13.90 on the map!
233.18.13.202	View precise location of 233.18.13.202 on the map!
233.18.13.121	View precise location of 233.18.13.121 on the map!
233.18.13.42	View precise location of 233.18.13.42 on the map!
233.18.13.44	View precise location of 233.18.13.44 on the map!

10 Random IPs

179.222.164.176	Find precise map location of 179.222.164.176
237.113.53.11	Find precise map location of 237.113.53.11
23.254.85.25	Find precise map location of 23.254.85.25
102.153.7.22	Find precise map location of 102.153.7.22
156.159.93.182	Find precise map location of 156.159.93.182
159.173.244.65	Find precise map location of 159.173.244.65
216.153.243.227	Find precise map location of 216.153.243.227
84.233.102.91	Find precise map location of 84.233.102.91
249.5.208.198	Find precise map location of 249.5.208.198
111.221.134.129	Find precise map location of 111.221.134.129
194.29.254.19	Find precise map location of 194.29.254.19

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