237.196.21 is a class C of IPs

Sample IPs from the class C 237.196.21

237.196.21.144	View precise location of 237.196.21.144 on the map!
237.196.21.202	View precise location of 237.196.21.202 on the map!
237.196.21.151	View precise location of 237.196.21.151 on the map!
237.196.21.172	View precise location of 237.196.21.172 on the map!
237.196.21.101	View precise location of 237.196.21.101 on the map!
237.196.21.15	View precise location of 237.196.21.15 on the map!
237.196.21.77	View precise location of 237.196.21.77 on the map!
237.196.21.63	View precise location of 237.196.21.63 on the map!
237.196.21.148	View precise location of 237.196.21.148 on the map!
237.196.21.3	View precise location of 237.196.21.3 on the map!
237.196.21.16	View precise location of 237.196.21.16 on the map!

10 Random IPs

73.177.108.213	Find precise map location of 73.177.108.213
92.195.94.243	Find precise map location of 92.195.94.243
139.109.154.21	Find precise map location of 139.109.154.21
10.222.5.73	Find precise map location of 10.222.5.73
162.2.84.166	Find precise map location of 162.2.84.166
81.50.11.117	Find precise map location of 81.50.11.117
125.106.188.81	Find precise map location of 125.106.188.81
180.93.3.121	Find precise map location of 180.93.3.121
25.224.136.185	Find precise map location of 25.224.136.185
242.11.160.242	Find precise map location of 242.11.160.242
87.217.87.43	Find precise map location of 87.217.87.43

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