121.223.245 is a class C of IPs

Sample IPs from the class C 121.223.245

121.223.245.74	View precise location of 121.223.245.74 on the map!
121.223.245.132	View precise location of 121.223.245.132 on the map!
121.223.245.220	View precise location of 121.223.245.220 on the map!
121.223.245.51	View precise location of 121.223.245.51 on the map!
121.223.245.211	View precise location of 121.223.245.211 on the map!
121.223.245.223	View precise location of 121.223.245.223 on the map!
121.223.245.1	View precise location of 121.223.245.1 on the map!
121.223.245.145	View precise location of 121.223.245.145 on the map!
121.223.245.90	View precise location of 121.223.245.90 on the map!
121.223.245.29	View precise location of 121.223.245.29 on the map!
121.223.245.246	View precise location of 121.223.245.246 on the map!

10 Random IPs

6.244.103.67	Find precise map location of 6.244.103.67
206.63.162.95	Find precise map location of 206.63.162.95
96.116.172.48	Find precise map location of 96.116.172.48
225.140.93.9	Find precise map location of 225.140.93.9
86.197.67.204	Find precise map location of 86.197.67.204
58.123.43.12	Find precise map location of 58.123.43.12
236.178.103.124	Find precise map location of 236.178.103.124
219.246.183.175	Find precise map location of 219.246.183.175
236.123.187.1	Find precise map location of 236.123.187.1
190.126.82.89	Find precise map location of 190.126.82.89
231.29.194.10	Find precise map location of 231.29.194.10

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