21.180.103 is a class C of IPs

Sample IPs from the class C 21.180.103

21.180.103.242	View precise location of 21.180.103.242 on the map!
21.180.103.104	View precise location of 21.180.103.104 on the map!
21.180.103.174	View precise location of 21.180.103.174 on the map!
21.180.103.215	View precise location of 21.180.103.215 on the map!
21.180.103.168	View precise location of 21.180.103.168 on the map!
21.180.103.33	View precise location of 21.180.103.33 on the map!
21.180.103.13	View precise location of 21.180.103.13 on the map!
21.180.103.73	View precise location of 21.180.103.73 on the map!
21.180.103.122	View precise location of 21.180.103.122 on the map!
21.180.103.154	View precise location of 21.180.103.154 on the map!
21.180.103.67	View precise location of 21.180.103.67 on the map!

10 Random IPs

231.151.100.130	Find precise map location of 231.151.100.130
153.123.27.31	Find precise map location of 153.123.27.31
32.210.207.232	Find precise map location of 32.210.207.232
41.133.215.228	Find precise map location of 41.133.215.228
101.4.102.68	Find precise map location of 101.4.102.68
193.240.42.36	Find precise map location of 193.240.42.36
19.249.176.240	Find precise map location of 19.249.176.240
57.162.45.25	Find precise map location of 57.162.45.25
228.114.105.147	Find precise map location of 228.114.105.147
253.220.72.4	Find precise map location of 253.220.72.4
250.101.6.120	Find precise map location of 250.101.6.120

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