18.172.218 is a class C of IPs

Sample IPs from the class C 18.172.218

18.172.218.224	View precise location of 18.172.218.224 on the map!
18.172.218.97	View precise location of 18.172.218.97 on the map!
18.172.218.216	View precise location of 18.172.218.216 on the map!
18.172.218.24	View precise location of 18.172.218.24 on the map!
18.172.218.49	View precise location of 18.172.218.49 on the map!
18.172.218.212	View precise location of 18.172.218.212 on the map!
18.172.218.164	View precise location of 18.172.218.164 on the map!
18.172.218.142	View precise location of 18.172.218.142 on the map!
18.172.218.5	View precise location of 18.172.218.5 on the map!
18.172.218.3	View precise location of 18.172.218.3 on the map!
18.172.218.233	View precise location of 18.172.218.233 on the map!

10 Random IPs

65.146.247.243	Find precise map location of 65.146.247.243
122.223.198.178	Find precise map location of 122.223.198.178
171.56.230.78	Find precise map location of 171.56.230.78
57.12.118.212	Find precise map location of 57.12.118.212
189.115.47.44	Find precise map location of 189.115.47.44
140.88.208.159	Find precise map location of 140.88.208.159
47.196.185.103	Find precise map location of 47.196.185.103
41.100.178.54	Find precise map location of 41.100.178.54
218.122.56.121	Find precise map location of 218.122.56.121
76.67.212.46	Find precise map location of 76.67.212.46
121.110.77.202	Find precise map location of 121.110.77.202

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