23.139.99 is a class C of IPs

Sample IPs from the class C 23.139.99

23.139.99.251	View precise location of 23.139.99.251 on the map!
23.139.99.237	View precise location of 23.139.99.237 on the map!
23.139.99.192	View precise location of 23.139.99.192 on the map!
23.139.99.224	View precise location of 23.139.99.224 on the map!
23.139.99.71	View precise location of 23.139.99.71 on the map!
23.139.99.195	View precise location of 23.139.99.195 on the map!
23.139.99.153	View precise location of 23.139.99.153 on the map!
23.139.99.194	View precise location of 23.139.99.194 on the map!
23.139.99.205	View precise location of 23.139.99.205 on the map!
23.139.99.71	View precise location of 23.139.99.71 on the map!
23.139.99.54	View precise location of 23.139.99.54 on the map!

10 Random IPs

51.177.94.197	Find precise map location of 51.177.94.197
94.103.127.14	Find precise map location of 94.103.127.14
15.169.104.52	Find precise map location of 15.169.104.52
64.64.221.91	Find precise map location of 64.64.221.91
231.21.27.44	Find precise map location of 231.21.27.44
232.18.25.18	Find precise map location of 232.18.25.18
183.174.44.224	Find precise map location of 183.174.44.224
244.239.63.133	Find precise map location of 244.239.63.133
232.114.95.113	Find precise map location of 232.114.95.113
255.9.59.234	Find precise map location of 255.9.59.234
98.70.8.220	Find precise map location of 98.70.8.220

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