136.142.4 is a class C of IPs

Sample IPs from the class C 136.142.4

136.142.4.69	View precise location of 136.142.4.69 on the map!
136.142.4.223	View precise location of 136.142.4.223 on the map!
136.142.4.50	View precise location of 136.142.4.50 on the map!
136.142.4.248	View precise location of 136.142.4.248 on the map!
136.142.4.79	View precise location of 136.142.4.79 on the map!
136.142.4.223	View precise location of 136.142.4.223 on the map!
136.142.4.250	View precise location of 136.142.4.250 on the map!
136.142.4.93	View precise location of 136.142.4.93 on the map!
136.142.4.243	View precise location of 136.142.4.243 on the map!
136.142.4.118	View precise location of 136.142.4.118 on the map!
136.142.4.253	View precise location of 136.142.4.253 on the map!

10 Random IPs

80.8.131.122	Find precise map location of 80.8.131.122
54.53.12.120	Find precise map location of 54.53.12.120
167.178.245.62	Find precise map location of 167.178.245.62
216.120.162.181	Find precise map location of 216.120.162.181
54.137.181.87	Find precise map location of 54.137.181.87
165.14.240.253	Find precise map location of 165.14.240.253
30.54.130.191	Find precise map location of 30.54.130.191
81.172.230.230	Find precise map location of 81.172.230.230
21.4.117.101	Find precise map location of 21.4.117.101
82.53.68.116	Find precise map location of 82.53.68.116
142.234.122.241	Find precise map location of 142.234.122.241

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