21.16.48 is a class C of IPs

Sample IPs from the class C 21.16.48

21.16.48.106	View precise location of 21.16.48.106 on the map!
21.16.48.100	View precise location of 21.16.48.100 on the map!
21.16.48.138	View precise location of 21.16.48.138 on the map!
21.16.48.218	View precise location of 21.16.48.218 on the map!
21.16.48.83	View precise location of 21.16.48.83 on the map!
21.16.48.243	View precise location of 21.16.48.243 on the map!
21.16.48.229	View precise location of 21.16.48.229 on the map!
21.16.48.118	View precise location of 21.16.48.118 on the map!
21.16.48.69	View precise location of 21.16.48.69 on the map!
21.16.48.156	View precise location of 21.16.48.156 on the map!
21.16.48.87	View precise location of 21.16.48.87 on the map!

10 Random IPs

181.13.173.165	Find precise map location of 181.13.173.165
205.216.19.140	Find precise map location of 205.216.19.140
188.66.224.5	Find precise map location of 188.66.224.5
68.215.87.248	Find precise map location of 68.215.87.248
197.201.174.200	Find precise map location of 197.201.174.200
187.138.5.130	Find precise map location of 187.138.5.130
186.119.111.127	Find precise map location of 186.119.111.127
131.148.161.141	Find precise map location of 131.148.161.141
234.98.159.98	Find precise map location of 234.98.159.98
173.196.85.79	Find precise map location of 173.196.85.79
49.176.9.45	Find precise map location of 49.176.9.45

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