21.248.159 is a class C of IPs

Sample IPs from the class C 21.248.159

21.248.159.174	View precise location of 21.248.159.174 on the map!
21.248.159.91	View precise location of 21.248.159.91 on the map!
21.248.159.54	View precise location of 21.248.159.54 on the map!
21.248.159.96	View precise location of 21.248.159.96 on the map!
21.248.159.126	View precise location of 21.248.159.126 on the map!
21.248.159.88	View precise location of 21.248.159.88 on the map!
21.248.159.247	View precise location of 21.248.159.247 on the map!
21.248.159.219	View precise location of 21.248.159.219 on the map!
21.248.159.55	View precise location of 21.248.159.55 on the map!
21.248.159.98	View precise location of 21.248.159.98 on the map!
21.248.159.24	View precise location of 21.248.159.24 on the map!

10 Random IPs

118.66.190.78	Find precise map location of 118.66.190.78
66.28.235.29	Find precise map location of 66.28.235.29
76.103.24.141	Find precise map location of 76.103.24.141
23.201.93.17	Find precise map location of 23.201.93.17
39.254.49.89	Find precise map location of 39.254.49.89
37.228.215.44	Find precise map location of 37.228.215.44
187.22.14.121	Find precise map location of 187.22.14.121
194.228.55.49	Find precise map location of 194.228.55.49
120.105.66.172	Find precise map location of 120.105.66.172
5.183.61.85	Find precise map location of 5.183.61.85
226.172.156.162	Find precise map location of 226.172.156.162

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