121.4.126 is a class C of IPs

Sample IPs from the class C 121.4.126

121.4.126.188	View precise location of 121.4.126.188 on the map!
121.4.126.151	View precise location of 121.4.126.151 on the map!
121.4.126.164	View precise location of 121.4.126.164 on the map!
121.4.126.149	View precise location of 121.4.126.149 on the map!
121.4.126.103	View precise location of 121.4.126.103 on the map!
121.4.126.112	View precise location of 121.4.126.112 on the map!
121.4.126.57	View precise location of 121.4.126.57 on the map!
121.4.126.125	View precise location of 121.4.126.125 on the map!
121.4.126.251	View precise location of 121.4.126.251 on the map!
121.4.126.160	View precise location of 121.4.126.160 on the map!
121.4.126.210	View precise location of 121.4.126.210 on the map!

10 Random IPs

82.98.48.120	Find precise map location of 82.98.48.120
170.199.164.120	Find precise map location of 170.199.164.120
140.161.77.101	Find precise map location of 140.161.77.101
17.4.108.77	Find precise map location of 17.4.108.77
23.161.79.231	Find precise map location of 23.161.79.231
45.18.9.95	Find precise map location of 45.18.9.95
12.120.202.70	Find precise map location of 12.120.202.70
43.108.96.121	Find precise map location of 43.108.96.121
195.184.9.65	Find precise map location of 195.184.9.65
124.62.209.112	Find precise map location of 124.62.209.112
137.150.218.120	Find precise map location of 137.150.218.120

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