99.21.240 is a class C of IPs

Sample IPs from the class C 99.21.240

99.21.240.143	View precise location of 99.21.240.143 on the map!
99.21.240.249	View precise location of 99.21.240.249 on the map!
99.21.240.93	View precise location of 99.21.240.93 on the map!
99.21.240.119	View precise location of 99.21.240.119 on the map!
99.21.240.189	View precise location of 99.21.240.189 on the map!
99.21.240.132	View precise location of 99.21.240.132 on the map!
99.21.240.67	View precise location of 99.21.240.67 on the map!
99.21.240.123	View precise location of 99.21.240.123 on the map!
99.21.240.63	View precise location of 99.21.240.63 on the map!
99.21.240.30	View precise location of 99.21.240.30 on the map!
99.21.240.209	View precise location of 99.21.240.209 on the map!

10 Random IPs

123.135.76.3	Find precise map location of 123.135.76.3
231.20.147.203	Find precise map location of 231.20.147.203
11.90.67.113	Find precise map location of 11.90.67.113
235.1.46.39	Find precise map location of 235.1.46.39
96.175.214.112	Find precise map location of 96.175.214.112
140.47.127.11	Find precise map location of 140.47.127.11
141.192.73.175	Find precise map location of 141.192.73.175
41.61.25.73	Find precise map location of 41.61.25.73
25.28.56.36	Find precise map location of 25.28.56.36
147.97.24.121	Find precise map location of 147.97.24.121
25.178.187.238	Find precise map location of 25.178.187.238

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