81.172.8 is a class C of IPs

Sample IPs from the class C 81.172.8

81.172.8.155	View precise location of 81.172.8.155 on the map!
81.172.8.25	View precise location of 81.172.8.25 on the map!
81.172.8.170	View precise location of 81.172.8.170 on the map!
81.172.8.148	View precise location of 81.172.8.148 on the map!
81.172.8.144	View precise location of 81.172.8.144 on the map!
81.172.8.72	View precise location of 81.172.8.72 on the map!
81.172.8.46	View precise location of 81.172.8.46 on the map!
81.172.8.55	View precise location of 81.172.8.55 on the map!
81.172.8.8	View precise location of 81.172.8.8 on the map!
81.172.8.23	View precise location of 81.172.8.23 on the map!
81.172.8.157	View precise location of 81.172.8.157 on the map!

10 Random IPs

251.48.132.80	Find precise map location of 251.48.132.80
125.75.139.222	Find precise map location of 125.75.139.222
59.45.204.7	Find precise map location of 59.45.204.7
15.149.245.239	Find precise map location of 15.149.245.239
38.102.243.128	Find precise map location of 38.102.243.128
19.10.114.174	Find precise map location of 19.10.114.174
40.143.85.238	Find precise map location of 40.143.85.238
74.39.187.127	Find precise map location of 74.39.187.127
192.36.140.50	Find precise map location of 192.36.140.50
247.149.169.241	Find precise map location of 247.149.169.241
106.154.252.20	Find precise map location of 106.154.252.20

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