21.155.233 is a class C of IPs

Sample IPs from the class C 21.155.233

21.155.233.95	View precise location of 21.155.233.95 on the map!
21.155.233.120	View precise location of 21.155.233.120 on the map!
21.155.233.242	View precise location of 21.155.233.242 on the map!
21.155.233.211	View precise location of 21.155.233.211 on the map!
21.155.233.140	View precise location of 21.155.233.140 on the map!
21.155.233.253	View precise location of 21.155.233.253 on the map!
21.155.233.143	View precise location of 21.155.233.143 on the map!
21.155.233.33	View precise location of 21.155.233.33 on the map!
21.155.233.17	View precise location of 21.155.233.17 on the map!
21.155.233.101	View precise location of 21.155.233.101 on the map!
21.155.233.39	View precise location of 21.155.233.39 on the map!

10 Random IPs

224.53.53.247	Find precise map location of 224.53.53.247
71.88.191.25	Find precise map location of 71.88.191.25
104.92.198.90	Find precise map location of 104.92.198.90
186.131.76.62	Find precise map location of 186.131.76.62
224.60.55.70	Find precise map location of 224.60.55.70
19.240.159.152	Find precise map location of 19.240.159.152
167.130.104.82	Find precise map location of 167.130.104.82
204.228.213.63	Find precise map location of 204.228.213.63
132.84.215.220	Find precise map location of 132.84.215.220
103.96.39.228	Find precise map location of 103.96.39.228
201.2.157.189	Find precise map location of 201.2.157.189

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