12.156.197 is a class C of IPs

Sample IPs from the class C 12.156.197

12.156.197.66	View precise location of 12.156.197.66 on the map!
12.156.197.240	View precise location of 12.156.197.240 on the map!
12.156.197.239	View precise location of 12.156.197.239 on the map!
12.156.197.15	View precise location of 12.156.197.15 on the map!
12.156.197.197	View precise location of 12.156.197.197 on the map!
12.156.197.221	View precise location of 12.156.197.221 on the map!
12.156.197.34	View precise location of 12.156.197.34 on the map!
12.156.197.77	View precise location of 12.156.197.77 on the map!
12.156.197.251	View precise location of 12.156.197.251 on the map!
12.156.197.237	View precise location of 12.156.197.237 on the map!
12.156.197.1	View precise location of 12.156.197.1 on the map!

10 Random IPs

143.226.108.9	Find precise map location of 143.226.108.9
155.136.127.199	Find precise map location of 155.136.127.199
20.238.12.177	Find precise map location of 20.238.12.177
231.129.29.106	Find precise map location of 231.129.29.106
222.176.132.90	Find precise map location of 222.176.132.90
210.32.42.29	Find precise map location of 210.32.42.29
195.223.153.254	Find precise map location of 195.223.153.254
81.8.118.185	Find precise map location of 81.8.118.185
127.249.123.87	Find precise map location of 127.249.123.87
166.201.187.103	Find precise map location of 166.201.187.103
51.149.214.175	Find precise map location of 51.149.214.175

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