23.139.209 is a class C of IPs

Sample IPs from the class C 23.139.209

23.139.209.80	View precise location of 23.139.209.80 on the map!
23.139.209.72	View precise location of 23.139.209.72 on the map!
23.139.209.242	View precise location of 23.139.209.242 on the map!
23.139.209.216	View precise location of 23.139.209.216 on the map!
23.139.209.89	View precise location of 23.139.209.89 on the map!
23.139.209.122	View precise location of 23.139.209.122 on the map!
23.139.209.131	View precise location of 23.139.209.131 on the map!
23.139.209.232	View precise location of 23.139.209.232 on the map!
23.139.209.161	View precise location of 23.139.209.161 on the map!
23.139.209.205	View precise location of 23.139.209.205 on the map!
23.139.209.208	View precise location of 23.139.209.208 on the map!

10 Random IPs

29.174.243.102	Find precise map location of 29.174.243.102
58.133.55.235	Find precise map location of 58.133.55.235
245.75.186.251	Find precise map location of 245.75.186.251
239.96.252.171	Find precise map location of 239.96.252.171
122.35.76.89	Find precise map location of 122.35.76.89
36.220.160.158	Find precise map location of 36.220.160.158
62.91.57.152	Find precise map location of 62.91.57.152
31.154.42.240	Find precise map location of 31.154.42.240
25.61.87.150	Find precise map location of 25.61.87.150
168.17.94.18	Find precise map location of 168.17.94.18
209.122.105.127	Find precise map location of 209.122.105.127

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