21.25.183 is a class C of IPs

Sample IPs from the class C 21.25.183

21.25.183.216	View precise location of 21.25.183.216 on the map!
21.25.183.48	View precise location of 21.25.183.48 on the map!
21.25.183.247	View precise location of 21.25.183.247 on the map!
21.25.183.232	View precise location of 21.25.183.232 on the map!
21.25.183.39	View precise location of 21.25.183.39 on the map!
21.25.183.151	View precise location of 21.25.183.151 on the map!
21.25.183.99	View precise location of 21.25.183.99 on the map!
21.25.183.190	View precise location of 21.25.183.190 on the map!
21.25.183.110	View precise location of 21.25.183.110 on the map!
21.25.183.204	View precise location of 21.25.183.204 on the map!
21.25.183.128	View precise location of 21.25.183.128 on the map!

10 Random IPs

50.149.92.242	Find precise map location of 50.149.92.242
93.7.159.196	Find precise map location of 93.7.159.196
77.60.71.208	Find precise map location of 77.60.71.208
59.236.179.60	Find precise map location of 59.236.179.60
181.187.117.185	Find precise map location of 181.187.117.185
86.197.184.223	Find precise map location of 86.197.184.223
160.111.219.134	Find precise map location of 160.111.219.134
253.24.146.190	Find precise map location of 253.24.146.190
40.111.188.72	Find precise map location of 40.111.188.72
42.39.88.86	Find precise map location of 42.39.88.86
11.155.112.86	Find precise map location of 11.155.112.86

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