237.31.213 is a class C of IPs

Sample IPs from the class C 237.31.213

237.31.213.3	View precise location of 237.31.213.3 on the map!
237.31.213.108	View precise location of 237.31.213.108 on the map!
237.31.213.49	View precise location of 237.31.213.49 on the map!
237.31.213.114	View precise location of 237.31.213.114 on the map!
237.31.213.41	View precise location of 237.31.213.41 on the map!
237.31.213.255	View precise location of 237.31.213.255 on the map!
237.31.213.200	View precise location of 237.31.213.200 on the map!
237.31.213.103	View precise location of 237.31.213.103 on the map!
237.31.213.61	View precise location of 237.31.213.61 on the map!
237.31.213.199	View precise location of 237.31.213.199 on the map!
237.31.213.202	View precise location of 237.31.213.202 on the map!

10 Random IPs

41.190.22.58	Find precise map location of 41.190.22.58
120.37.54.247	Find precise map location of 120.37.54.247
194.217.198.39	Find precise map location of 194.217.198.39
195.223.196.165	Find precise map location of 195.223.196.165
108.189.141.159	Find precise map location of 108.189.141.159
111.21.30.220	Find precise map location of 111.21.30.220
56.126.16.15	Find precise map location of 56.126.16.15
29.251.129.61	Find precise map location of 29.251.129.61
111.43.187.250	Find precise map location of 111.43.187.250
255.84.237.117	Find precise map location of 255.84.237.117
179.209.100.71	Find precise map location of 179.209.100.71

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