81.5.240 is a class C of IPs

Sample IPs from the class C 81.5.240

81.5.240.32	View precise location of 81.5.240.32 on the map!
81.5.240.94	View precise location of 81.5.240.94 on the map!
81.5.240.89	View precise location of 81.5.240.89 on the map!
81.5.240.104	View precise location of 81.5.240.104 on the map!
81.5.240.73	View precise location of 81.5.240.73 on the map!
81.5.240.127	View precise location of 81.5.240.127 on the map!
81.5.240.57	View precise location of 81.5.240.57 on the map!
81.5.240.154	View precise location of 81.5.240.154 on the map!
81.5.240.118	View precise location of 81.5.240.118 on the map!
81.5.240.88	View precise location of 81.5.240.88 on the map!
81.5.240.231	View precise location of 81.5.240.231 on the map!

10 Random IPs

214.125.144.98	Find precise map location of 214.125.144.98
206.159.13.21	Find precise map location of 206.159.13.21
138.112.199.75	Find precise map location of 138.112.199.75
3.230.48.135	Find precise map location of 3.230.48.135
168.79.79.191	Find precise map location of 168.79.79.191
147.129.181.49	Find precise map location of 147.129.181.49
200.32.117.41	Find precise map location of 200.32.117.41
254.177.13.152	Find precise map location of 254.177.13.152
121.137.154.180	Find precise map location of 121.137.154.180
99.223.37.153	Find precise map location of 99.223.37.153
110.114.127.223	Find precise map location of 110.114.127.223

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