21.108.215 is a class C of IPs

Sample IPs from the class C 21.108.215

21.108.215.195	View precise location of 21.108.215.195 on the map!
21.108.215.127	View precise location of 21.108.215.127 on the map!
21.108.215.135	View precise location of 21.108.215.135 on the map!
21.108.215.12	View precise location of 21.108.215.12 on the map!
21.108.215.5	View precise location of 21.108.215.5 on the map!
21.108.215.62	View precise location of 21.108.215.62 on the map!
21.108.215.88	View precise location of 21.108.215.88 on the map!
21.108.215.134	View precise location of 21.108.215.134 on the map!
21.108.215.144	View precise location of 21.108.215.144 on the map!
21.108.215.108	View precise location of 21.108.215.108 on the map!
21.108.215.208	View precise location of 21.108.215.208 on the map!

10 Random IPs

142.163.67.74	Find precise map location of 142.163.67.74
99.29.181.141	Find precise map location of 99.29.181.141
166.254.175.56	Find precise map location of 166.254.175.56
201.13.161.198	Find precise map location of 201.13.161.198
114.142.58.129	Find precise map location of 114.142.58.129
208.78.78.174	Find precise map location of 208.78.78.174
91.35.136.148	Find precise map location of 91.35.136.148
204.184.73.78	Find precise map location of 204.184.73.78
154.19.101.113	Find precise map location of 154.19.101.113
111.53.19.132	Find precise map location of 111.53.19.132
119.204.14.25	Find precise map location of 119.204.14.25

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