81.33.183 is a class C of IPs

Sample IPs from the class C 81.33.183

81.33.183.79	View precise location of 81.33.183.79 on the map!
81.33.183.238	View precise location of 81.33.183.238 on the map!
81.33.183.212	View precise location of 81.33.183.212 on the map!
81.33.183.91	View precise location of 81.33.183.91 on the map!
81.33.183.61	View precise location of 81.33.183.61 on the map!
81.33.183.40	View precise location of 81.33.183.40 on the map!
81.33.183.183	View precise location of 81.33.183.183 on the map!
81.33.183.74	View precise location of 81.33.183.74 on the map!
81.33.183.195	View precise location of 81.33.183.195 on the map!
81.33.183.211	View precise location of 81.33.183.211 on the map!
81.33.183.165	View precise location of 81.33.183.165 on the map!

10 Random IPs

146.231.90.8	Find precise map location of 146.231.90.8
148.90.190.211	Find precise map location of 148.90.190.211
215.201.200.57	Find precise map location of 215.201.200.57
213.244.9.193	Find precise map location of 213.244.9.193
147.193.5.207	Find precise map location of 147.193.5.207
70.65.86.31	Find precise map location of 70.65.86.31
17.133.211.7	Find precise map location of 17.133.211.7
158.236.127.34	Find precise map location of 158.236.127.34
128.44.102.222	Find precise map location of 128.44.102.222
194.251.170.181	Find precise map location of 194.251.170.181
201.12.206.118	Find precise map location of 201.12.206.118

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