237.156.13 is a class C of IPs

Sample IPs from the class C 237.156.13

237.156.13.133	View precise location of 237.156.13.133 on the map!
237.156.13.217	View precise location of 237.156.13.217 on the map!
237.156.13.135	View precise location of 237.156.13.135 on the map!
237.156.13.121	View precise location of 237.156.13.121 on the map!
237.156.13.235	View precise location of 237.156.13.235 on the map!
237.156.13.107	View precise location of 237.156.13.107 on the map!
237.156.13.203	View precise location of 237.156.13.203 on the map!
237.156.13.255	View precise location of 237.156.13.255 on the map!
237.156.13.175	View precise location of 237.156.13.175 on the map!
237.156.13.83	View precise location of 237.156.13.83 on the map!
237.156.13.218	View precise location of 237.156.13.218 on the map!

10 Random IPs

106.246.117.200	Find precise map location of 106.246.117.200
32.195.71.117	Find precise map location of 32.195.71.117
100.81.139.72	Find precise map location of 100.81.139.72
181.63.46.36	Find precise map location of 181.63.46.36
207.15.25.215	Find precise map location of 207.15.25.215
10.207.22.19	Find precise map location of 10.207.22.19
22.19.234.111	Find precise map location of 22.19.234.111
165.2.204.20	Find precise map location of 165.2.204.20
60.235.29.222	Find precise map location of 60.235.29.222
161.69.98.44	Find precise map location of 161.69.98.44
6.31.159.164	Find precise map location of 6.31.159.164

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