15.20.18 is a class C of IPs

Sample IPs from the class C 15.20.18

15.20.18.138	View precise location of 15.20.18.138 on the map!
15.20.18.205	View precise location of 15.20.18.205 on the map!
15.20.18.79	View precise location of 15.20.18.79 on the map!
15.20.18.37	View precise location of 15.20.18.37 on the map!
15.20.18.233	View precise location of 15.20.18.233 on the map!
15.20.18.212	View precise location of 15.20.18.212 on the map!
15.20.18.85	View precise location of 15.20.18.85 on the map!
15.20.18.42	View precise location of 15.20.18.42 on the map!
15.20.18.84	View precise location of 15.20.18.84 on the map!
15.20.18.74	View precise location of 15.20.18.74 on the map!
15.20.18.152	View precise location of 15.20.18.152 on the map!

10 Random IPs

233.201.208.223	Find precise map location of 233.201.208.223
16.141.188.238	Find precise map location of 16.141.188.238
46.182.25.85	Find precise map location of 46.182.25.85
217.100.169.154	Find precise map location of 217.100.169.154
186.50.182.125	Find precise map location of 186.50.182.125
129.243.220.33	Find precise map location of 129.243.220.33
249.215.125.134	Find precise map location of 249.215.125.134
254.145.148.240	Find precise map location of 254.145.148.240
37.158.24.28	Find precise map location of 37.158.24.28
56.124.85.217	Find precise map location of 56.124.85.217
181.118.133.47	Find precise map location of 181.118.133.47

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