231.142.74 is a class C of IPs

Sample IPs from the class C 231.142.74

231.142.74.193	View precise location of 231.142.74.193 on the map!
231.142.74.211	View precise location of 231.142.74.211 on the map!
231.142.74.205	View precise location of 231.142.74.205 on the map!
231.142.74.46	View precise location of 231.142.74.46 on the map!
231.142.74.128	View precise location of 231.142.74.128 on the map!
231.142.74.192	View precise location of 231.142.74.192 on the map!
231.142.74.175	View precise location of 231.142.74.175 on the map!
231.142.74.29	View precise location of 231.142.74.29 on the map!
231.142.74.108	View precise location of 231.142.74.108 on the map!
231.142.74.21	View precise location of 231.142.74.21 on the map!
231.142.74.196	View precise location of 231.142.74.196 on the map!

10 Random IPs

96.28.204.83	Find precise map location of 96.28.204.83
25.172.203.75	Find precise map location of 25.172.203.75
129.72.92.80	Find precise map location of 129.72.92.80
106.38.93.203	Find precise map location of 106.38.93.203
176.111.83.88	Find precise map location of 176.111.83.88
12.118.111.157	Find precise map location of 12.118.111.157
187.129.209.143	Find precise map location of 187.129.209.143
34.49.13.11	Find precise map location of 34.49.13.11
215.129.236.77	Find precise map location of 215.129.236.77
219.22.72.155	Find precise map location of 219.22.72.155
243.163.92.28	Find precise map location of 243.163.92.28

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