31.140.121 is a class C of IPs

Sample IPs from the class C 31.140.121

31.140.121.214	View precise location of 31.140.121.214 on the map!
31.140.121.75	View precise location of 31.140.121.75 on the map!
31.140.121.238	View precise location of 31.140.121.238 on the map!
31.140.121.54	View precise location of 31.140.121.54 on the map!
31.140.121.202	View precise location of 31.140.121.202 on the map!
31.140.121.86	View precise location of 31.140.121.86 on the map!
31.140.121.171	View precise location of 31.140.121.171 on the map!
31.140.121.57	View precise location of 31.140.121.57 on the map!
31.140.121.73	View precise location of 31.140.121.73 on the map!
31.140.121.64	View precise location of 31.140.121.64 on the map!
31.140.121.44	View precise location of 31.140.121.44 on the map!

10 Random IPs

193.15.188.169	Find precise map location of 193.15.188.169
101.179.164.25	Find precise map location of 101.179.164.25
123.219.82.180	Find precise map location of 123.219.82.180
213.177.137.113	Find precise map location of 213.177.137.113
75.232.10.10	Find precise map location of 75.232.10.10
53.100.28.192	Find precise map location of 53.100.28.192
153.23.98.17	Find precise map location of 153.23.98.17
184.211.133.205	Find precise map location of 184.211.133.205
162.152.4.11	Find precise map location of 162.152.4.11
114.137.53.39	Find precise map location of 114.137.53.39
173.200.116.151	Find precise map location of 173.200.116.151

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