18.238.143 is a class C of IPs

Sample IPs from the class C 18.238.143

18.238.143.174	View precise location of 18.238.143.174 on the map!
18.238.143.109	View precise location of 18.238.143.109 on the map!
18.238.143.167	View precise location of 18.238.143.167 on the map!
18.238.143.1	View precise location of 18.238.143.1 on the map!
18.238.143.28	View precise location of 18.238.143.28 on the map!
18.238.143.91	View precise location of 18.238.143.91 on the map!
18.238.143.243	View precise location of 18.238.143.243 on the map!
18.238.143.60	View precise location of 18.238.143.60 on the map!
18.238.143.58	View precise location of 18.238.143.58 on the map!
18.238.143.166	View precise location of 18.238.143.166 on the map!
18.238.143.246	View precise location of 18.238.143.246 on the map!

10 Random IPs

75.243.206.172	Find precise map location of 75.243.206.172
153.174.206.172	Find precise map location of 153.174.206.172
46.217.165.197	Find precise map location of 46.217.165.197
222.254.43.186	Find precise map location of 222.254.43.186
129.31.194.166	Find precise map location of 129.31.194.166
71.148.127.94	Find precise map location of 71.148.127.94
168.211.114.29	Find precise map location of 168.211.114.29
158.79.100.24	Find precise map location of 158.79.100.24
74.233.112.221	Find precise map location of 74.233.112.221
56.215.241.25	Find precise map location of 56.215.241.25
140.108.248.206	Find precise map location of 140.108.248.206

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