203.21.180 is a class C of IPs

Sample IPs from the class C 203.21.180

203.21.180.192	View precise location of 203.21.180.192 on the map!
203.21.180.88	View precise location of 203.21.180.88 on the map!
203.21.180.57	View precise location of 203.21.180.57 on the map!
203.21.180.53	View precise location of 203.21.180.53 on the map!
203.21.180.246	View precise location of 203.21.180.246 on the map!
203.21.180.89	View precise location of 203.21.180.89 on the map!
203.21.180.201	View precise location of 203.21.180.201 on the map!
203.21.180.215	View precise location of 203.21.180.215 on the map!
203.21.180.101	View precise location of 203.21.180.101 on the map!
203.21.180.178	View precise location of 203.21.180.178 on the map!
203.21.180.207	View precise location of 203.21.180.207 on the map!

10 Random IPs

121.249.180.218	Find precise map location of 121.249.180.218
157.79.25.102	Find precise map location of 157.79.25.102
171.18.76.62	Find precise map location of 171.18.76.62
214.114.246.43	Find precise map location of 214.114.246.43
178.39.250.181	Find precise map location of 178.39.250.181
131.179.18.142	Find precise map location of 131.179.18.142
78.79.237.26	Find precise map location of 78.79.237.26
252.227.112.170	Find precise map location of 252.227.112.170
23.196.176.77	Find precise map location of 23.196.176.77
115.144.98.83	Find precise map location of 115.144.98.83
205.87.141.184	Find precise map location of 205.87.141.184

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