231.244.90 is a class C of IPs

Sample IPs from the class C 231.244.90

231.244.90.116	View precise location of 231.244.90.116 on the map!
231.244.90.107	View precise location of 231.244.90.107 on the map!
231.244.90.249	View precise location of 231.244.90.249 on the map!
231.244.90.67	View precise location of 231.244.90.67 on the map!
231.244.90.199	View precise location of 231.244.90.199 on the map!
231.244.90.136	View precise location of 231.244.90.136 on the map!
231.244.90.34	View precise location of 231.244.90.34 on the map!
231.244.90.167	View precise location of 231.244.90.167 on the map!
231.244.90.59	View precise location of 231.244.90.59 on the map!
231.244.90.97	View precise location of 231.244.90.97 on the map!
231.244.90.146	View precise location of 231.244.90.146 on the map!

10 Random IPs

24.112.179.175	Find precise map location of 24.112.179.175
244.79.180.7	Find precise map location of 244.79.180.7
95.39.36.178	Find precise map location of 95.39.36.178
36.216.156.75	Find precise map location of 36.216.156.75
33.69.230.96	Find precise map location of 33.69.230.96
37.129.167.56	Find precise map location of 37.129.167.56
44.66.170.226	Find precise map location of 44.66.170.226
53.29.128.178	Find precise map location of 53.29.128.178
121.174.233.97	Find precise map location of 121.174.233.97
211.105.3.5	Find precise map location of 211.105.3.5
235.253.183.31	Find precise map location of 235.253.183.31

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