31.66.42 is a class C of IPs

Sample IPs from the class C 31.66.42

31.66.42.19	View precise location of 31.66.42.19 on the map!
31.66.42.136	View precise location of 31.66.42.136 on the map!
31.66.42.234	View precise location of 31.66.42.234 on the map!
31.66.42.93	View precise location of 31.66.42.93 on the map!
31.66.42.242	View precise location of 31.66.42.242 on the map!
31.66.42.79	View precise location of 31.66.42.79 on the map!
31.66.42.108	View precise location of 31.66.42.108 on the map!
31.66.42.51	View precise location of 31.66.42.51 on the map!
31.66.42.75	View precise location of 31.66.42.75 on the map!
31.66.42.76	View precise location of 31.66.42.76 on the map!
31.66.42.252	View precise location of 31.66.42.252 on the map!

10 Random IPs

17.13.98.176	Find precise map location of 17.13.98.176
246.234.92.157	Find precise map location of 246.234.92.157
62.215.95.44	Find precise map location of 62.215.95.44
135.244.85.61	Find precise map location of 135.244.85.61
250.252.74.159	Find precise map location of 250.252.74.159
147.22.19.208	Find precise map location of 147.22.19.208
87.118.206.140	Find precise map location of 87.118.206.140
163.64.143.225	Find precise map location of 163.64.143.225
45.111.134.18	Find precise map location of 45.111.134.18
161.247.199.157	Find precise map location of 161.247.199.157
218.223.151.90	Find precise map location of 218.223.151.90

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