81.218.18 is a class C of IPs

Sample IPs from the class C 81.218.18

81.218.18.28	View precise location of 81.218.18.28 on the map!
81.218.18.207	View precise location of 81.218.18.207 on the map!
81.218.18.2	View precise location of 81.218.18.2 on the map!
81.218.18.188	View precise location of 81.218.18.188 on the map!
81.218.18.83	View precise location of 81.218.18.83 on the map!
81.218.18.29	View precise location of 81.218.18.29 on the map!
81.218.18.245	View precise location of 81.218.18.245 on the map!
81.218.18.160	View precise location of 81.218.18.160 on the map!
81.218.18.227	View precise location of 81.218.18.227 on the map!
81.218.18.102	View precise location of 81.218.18.102 on the map!
81.218.18.159	View precise location of 81.218.18.159 on the map!

10 Random IPs

120.6.2.74	Find precise map location of 120.6.2.74
100.27.57.69	Find precise map location of 100.27.57.69
94.254.139.84	Find precise map location of 94.254.139.84
221.156.208.32	Find precise map location of 221.156.208.32
163.96.144.65	Find precise map location of 163.96.144.65
233.182.92.76	Find precise map location of 233.182.92.76
39.83.206.159	Find precise map location of 39.83.206.159
161.68.32.145	Find precise map location of 161.68.32.145
169.242.19.144	Find precise map location of 169.242.19.144
143.240.25.86	Find precise map location of 143.240.25.86
146.52.129.205	Find precise map location of 146.52.129.205

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