231.13.149 is a class C of IPs

Sample IPs from the class C 231.13.149

231.13.149.197	View precise location of 231.13.149.197 on the map!
231.13.149.20	View precise location of 231.13.149.20 on the map!
231.13.149.175	View precise location of 231.13.149.175 on the map!
231.13.149.180	View precise location of 231.13.149.180 on the map!
231.13.149.228	View precise location of 231.13.149.228 on the map!
231.13.149.166	View precise location of 231.13.149.166 on the map!
231.13.149.172	View precise location of 231.13.149.172 on the map!
231.13.149.223	View precise location of 231.13.149.223 on the map!
231.13.149.254	View precise location of 231.13.149.254 on the map!
231.13.149.217	View precise location of 231.13.149.217 on the map!
231.13.149.15	View precise location of 231.13.149.15 on the map!

10 Random IPs

239.136.102.105	Find precise map location of 239.136.102.105
195.29.149.214	Find precise map location of 195.29.149.214
10.207.156.243	Find precise map location of 10.207.156.243
210.49.241.203	Find precise map location of 210.49.241.203
100.219.33.180	Find precise map location of 100.219.33.180
18.94.226.227	Find precise map location of 18.94.226.227
122.146.34.149	Find precise map location of 122.146.34.149
14.255.89.25	Find precise map location of 14.255.89.25
12.173.163.207	Find precise map location of 12.173.163.207
7.221.32.7	Find precise map location of 7.221.32.7
46.164.78.20	Find precise map location of 46.164.78.20

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