81.19.240 is a class C of IPs

Sample IPs from the class C 81.19.240

81.19.240.208	View precise location of 81.19.240.208 on the map!
81.19.240.229	View precise location of 81.19.240.229 on the map!
81.19.240.190	View precise location of 81.19.240.190 on the map!
81.19.240.87	View precise location of 81.19.240.87 on the map!
81.19.240.106	View precise location of 81.19.240.106 on the map!
81.19.240.31	View precise location of 81.19.240.31 on the map!
81.19.240.132	View precise location of 81.19.240.132 on the map!
81.19.240.130	View precise location of 81.19.240.130 on the map!
81.19.240.45	View precise location of 81.19.240.45 on the map!
81.19.240.29	View precise location of 81.19.240.29 on the map!
81.19.240.22	View precise location of 81.19.240.22 on the map!

10 Random IPs

170.29.237.223	Find precise map location of 170.29.237.223
108.78.223.221	Find precise map location of 108.78.223.221
184.144.8.146	Find precise map location of 184.144.8.146
249.45.132.46	Find precise map location of 249.45.132.46
229.102.103.103	Find precise map location of 229.102.103.103
7.2.98.251	Find precise map location of 7.2.98.251
242.109.165.54	Find precise map location of 242.109.165.54
181.250.3.200	Find precise map location of 181.250.3.200
32.56.14.92	Find precise map location of 32.56.14.92
146.149.37.72	Find precise map location of 146.149.37.72
160.39.126.188	Find precise map location of 160.39.126.188

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