149.31.4 is a class C of IPs

Sample IPs from the class C 149.31.4

149.31.4.68	View precise location of 149.31.4.68 on the map!
149.31.4.114	View precise location of 149.31.4.114 on the map!
149.31.4.124	View precise location of 149.31.4.124 on the map!
149.31.4.159	View precise location of 149.31.4.159 on the map!
149.31.4.90	View precise location of 149.31.4.90 on the map!
149.31.4.245	View precise location of 149.31.4.245 on the map!
149.31.4.128	View precise location of 149.31.4.128 on the map!
149.31.4.196	View precise location of 149.31.4.196 on the map!
149.31.4.7	View precise location of 149.31.4.7 on the map!
149.31.4.190	View precise location of 149.31.4.190 on the map!
149.31.4.61	View precise location of 149.31.4.61 on the map!

10 Random IPs

172.163.122.106	Find precise map location of 172.163.122.106
19.83.133.131	Find precise map location of 19.83.133.131
94.157.185.131	Find precise map location of 94.157.185.131
166.115.166.75	Find precise map location of 166.115.166.75
22.58.80.104	Find precise map location of 22.58.80.104
213.247.64.199	Find precise map location of 213.247.64.199
182.169.45.184	Find precise map location of 182.169.45.184
194.9.157.233	Find precise map location of 194.9.157.233
108.11.38.239	Find precise map location of 108.11.38.239
191.201.170.40	Find precise map location of 191.201.170.40
95.28.230.49	Find precise map location of 95.28.230.49

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