156.81.80 is a class C of IPs

Sample IPs from the class C 156.81.80

156.81.80.194	View precise location of 156.81.80.194 on the map!
156.81.80.2	View precise location of 156.81.80.2 on the map!
156.81.80.74	View precise location of 156.81.80.74 on the map!
156.81.80.218	View precise location of 156.81.80.218 on the map!
156.81.80.243	View precise location of 156.81.80.243 on the map!
156.81.80.226	View precise location of 156.81.80.226 on the map!
156.81.80.166	View precise location of 156.81.80.166 on the map!
156.81.80.33	View precise location of 156.81.80.33 on the map!
156.81.80.219	View precise location of 156.81.80.219 on the map!
156.81.80.219	View precise location of 156.81.80.219 on the map!
156.81.80.43	View precise location of 156.81.80.43 on the map!

10 Random IPs

113.83.177.172	Find precise map location of 113.83.177.172
114.17.167.31	Find precise map location of 114.17.167.31
210.187.95.204	Find precise map location of 210.187.95.204
211.236.209.232	Find precise map location of 211.236.209.232
223.10.62.244	Find precise map location of 223.10.62.244
12.97.190.233	Find precise map location of 12.97.190.233
161.186.9.71	Find precise map location of 161.186.9.71
38.110.205.83	Find precise map location of 38.110.205.83
136.56.222.97	Find precise map location of 136.56.222.97
76.1.58.251	Find precise map location of 76.1.58.251
160.153.213.243	Find precise map location of 160.153.213.243

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