83.136.128 is a class C of IPs

Sample IPs from the class C 83.136.128

83.136.128.56	View precise location of 83.136.128.56 on the map!
83.136.128.4	View precise location of 83.136.128.4 on the map!
83.136.128.173	View precise location of 83.136.128.173 on the map!
83.136.128.219	View precise location of 83.136.128.219 on the map!
83.136.128.242	View precise location of 83.136.128.242 on the map!
83.136.128.11	View precise location of 83.136.128.11 on the map!
83.136.128.37	View precise location of 83.136.128.37 on the map!
83.136.128.248	View precise location of 83.136.128.248 on the map!
83.136.128.14	View precise location of 83.136.128.14 on the map!
83.136.128.64	View precise location of 83.136.128.64 on the map!
83.136.128.40	View precise location of 83.136.128.40 on the map!

10 Random IPs

140.179.115.41	Find precise map location of 140.179.115.41
84.218.44.172	Find precise map location of 84.218.44.172
112.212.233.210	Find precise map location of 112.212.233.210
98.34.192.43	Find precise map location of 98.34.192.43
167.91.128.135	Find precise map location of 167.91.128.135
113.124.212.85	Find precise map location of 113.124.212.85
212.60.185.215	Find precise map location of 212.60.185.215
127.251.205.108	Find precise map location of 127.251.205.108
194.97.131.94	Find precise map location of 194.97.131.94
87.130.116.121	Find precise map location of 87.130.116.121
7.183.67.35	Find precise map location of 7.183.67.35

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