18.20.206 is a class C of IPs

Sample IPs from the class C 18.20.206

18.20.206.60	View precise location of 18.20.206.60 on the map!
18.20.206.33	View precise location of 18.20.206.33 on the map!
18.20.206.163	View precise location of 18.20.206.163 on the map!
18.20.206.161	View precise location of 18.20.206.161 on the map!
18.20.206.79	View precise location of 18.20.206.79 on the map!
18.20.206.25	View precise location of 18.20.206.25 on the map!
18.20.206.243	View precise location of 18.20.206.243 on the map!
18.20.206.17	View precise location of 18.20.206.17 on the map!
18.20.206.227	View precise location of 18.20.206.227 on the map!
18.20.206.92	View precise location of 18.20.206.92 on the map!
18.20.206.36	View precise location of 18.20.206.36 on the map!

10 Random IPs

178.37.105.238	Find precise map location of 178.37.105.238
76.93.19.178	Find precise map location of 76.93.19.178
120.206.101.103	Find precise map location of 120.206.101.103
226.71.134.241	Find precise map location of 226.71.134.241
7.110.191.232	Find precise map location of 7.110.191.232
171.89.225.95	Find precise map location of 171.89.225.95
161.215.254.6	Find precise map location of 161.215.254.6
198.73.205.70	Find precise map location of 198.73.205.70
163.222.207.220	Find precise map location of 163.222.207.220
222.240.101.170	Find precise map location of 222.240.101.170
220.142.211.51	Find precise map location of 220.142.211.51

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