151.27.31 is a class C of IPs

Sample IPs from the class C 151.27.31

151.27.31.52	View precise location of 151.27.31.52 on the map!
151.27.31.121	View precise location of 151.27.31.121 on the map!
151.27.31.71	View precise location of 151.27.31.71 on the map!
151.27.31.176	View precise location of 151.27.31.176 on the map!
151.27.31.168	View precise location of 151.27.31.168 on the map!
151.27.31.152	View precise location of 151.27.31.152 on the map!
151.27.31.136	View precise location of 151.27.31.136 on the map!
151.27.31.248	View precise location of 151.27.31.248 on the map!
151.27.31.21	View precise location of 151.27.31.21 on the map!
151.27.31.228	View precise location of 151.27.31.228 on the map!
151.27.31.122	View precise location of 151.27.31.122 on the map!

10 Random IPs

131.160.128.131	Find precise map location of 131.160.128.131
4.36.189.136	Find precise map location of 4.36.189.136
198.149.82.95	Find precise map location of 198.149.82.95
39.102.97.219	Find precise map location of 39.102.97.219
212.219.28.57	Find precise map location of 212.219.28.57
177.192.158.125	Find precise map location of 177.192.158.125
132.25.59.72	Find precise map location of 132.25.59.72
3.3.20.16	Find precise map location of 3.3.20.16
183.16.163.24	Find precise map location of 183.16.163.24
224.57.69.10	Find precise map location of 224.57.69.10
121.190.48.101	Find precise map location of 121.190.48.101

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