139.12.136 is a class C of IPs

Sample IPs from the class C 139.12.136

139.12.136.130	View precise location of 139.12.136.130 on the map!
139.12.136.237	View precise location of 139.12.136.237 on the map!
139.12.136.238	View precise location of 139.12.136.238 on the map!
139.12.136.197	View precise location of 139.12.136.197 on the map!
139.12.136.228	View precise location of 139.12.136.228 on the map!
139.12.136.169	View precise location of 139.12.136.169 on the map!
139.12.136.51	View precise location of 139.12.136.51 on the map!
139.12.136.107	View precise location of 139.12.136.107 on the map!
139.12.136.27	View precise location of 139.12.136.27 on the map!
139.12.136.243	View precise location of 139.12.136.243 on the map!
139.12.136.100	View precise location of 139.12.136.100 on the map!

10 Random IPs

11.96.226.111	Find precise map location of 11.96.226.111
188.172.203.29	Find precise map location of 188.172.203.29
4.173.178.65	Find precise map location of 4.173.178.65
230.77.43.231	Find precise map location of 230.77.43.231
201.200.115.213	Find precise map location of 201.200.115.213
158.142.13.151	Find precise map location of 158.142.13.151
69.6.145.227	Find precise map location of 69.6.145.227
237.132.123.163	Find precise map location of 237.132.123.163
168.17.222.169	Find precise map location of 168.17.222.169
51.59.54.215	Find precise map location of 51.59.54.215
131.248.196.91	Find precise map location of 131.248.196.91

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