18.101 is a class B of IPs

Sample IPs from the class B 18.101

18.101.213.101	View precise location of 18.101.213.101 on the map!
18.101.104.82	View precise location of 18.101.104.82 on the map!
18.101.84.17	View precise location of 18.101.84.17 on the map!
18.101.95.93	View precise location of 18.101.95.93 on the map!
18.101.178.243	View precise location of 18.101.178.243 on the map!
18.101.143.35	View precise location of 18.101.143.35 on the map!
18.101.142.84	View precise location of 18.101.142.84 on the map!
18.101.155.39	View precise location of 18.101.155.39 on the map!
18.101.165.204	View precise location of 18.101.165.204 on the map!
18.101.47.211	View precise location of 18.101.47.211 on the map!
18.101.21.175	View precise location of 18.101.21.175 on the map!

10 Random IPs

40.50.99.244	Find precise map location of 40.50.99.244
94.66.30.99	Find precise map location of 94.66.30.99
134.113.12.234	Find precise map location of 134.113.12.234
198.157.184.224	Find precise map location of 198.157.184.224
226.193.253.162	Find precise map location of 226.193.253.162
85.98.227.244	Find precise map location of 85.98.227.244
172.94.78.130	Find precise map location of 172.94.78.130
114.38.69.205	Find precise map location of 114.38.69.205
70.127.103.110	Find precise map location of 70.127.103.110
4.240.121.20	Find precise map location of 4.240.121.20
72.77.182.239	Find precise map location of 72.77.182.239

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