120.83.183 is a class C of IPs

Sample IPs from the class C 120.83.183

120.83.183.219	View precise location of 120.83.183.219 on the map!
120.83.183.249	View precise location of 120.83.183.249 on the map!
120.83.183.228	View precise location of 120.83.183.228 on the map!
120.83.183.110	View precise location of 120.83.183.110 on the map!
120.83.183.80	View precise location of 120.83.183.80 on the map!
120.83.183.143	View precise location of 120.83.183.143 on the map!
120.83.183.85	View precise location of 120.83.183.85 on the map!
120.83.183.151	View precise location of 120.83.183.151 on the map!
120.83.183.208	View precise location of 120.83.183.208 on the map!
120.83.183.83	View precise location of 120.83.183.83 on the map!
120.83.183.225	View precise location of 120.83.183.225 on the map!

10 Random IPs

138.19.116.224	Find precise map location of 138.19.116.224
219.163.152.66	Find precise map location of 219.163.152.66
60.108.69.16	Find precise map location of 60.108.69.16
85.239.46.46	Find precise map location of 85.239.46.46
84.168.61.213	Find precise map location of 84.168.61.213
244.36.187.84	Find precise map location of 244.36.187.84
91.45.155.52	Find precise map location of 91.45.155.52
72.172.243.208	Find precise map location of 72.172.243.208
188.2.240.65	Find precise map location of 188.2.240.65
204.49.72.28	Find precise map location of 204.49.72.28
222.240.179.229	Find precise map location of 222.240.179.229

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