21.73.31 is a class C of IPs

Sample IPs from the class C 21.73.31

21.73.31.125	View precise location of 21.73.31.125 on the map!
21.73.31.230	View precise location of 21.73.31.230 on the map!
21.73.31.49	View precise location of 21.73.31.49 on the map!
21.73.31.75	View precise location of 21.73.31.75 on the map!
21.73.31.147	View precise location of 21.73.31.147 on the map!
21.73.31.27	View precise location of 21.73.31.27 on the map!
21.73.31.235	View precise location of 21.73.31.235 on the map!
21.73.31.92	View precise location of 21.73.31.92 on the map!
21.73.31.106	View precise location of 21.73.31.106 on the map!
21.73.31.219	View precise location of 21.73.31.219 on the map!
21.73.31.192	View precise location of 21.73.31.192 on the map!

10 Random IPs

202.200.218.62	Find precise map location of 202.200.218.62
161.181.160.208	Find precise map location of 161.181.160.208
142.29.155.196	Find precise map location of 142.29.155.196
195.61.124.247	Find precise map location of 195.61.124.247
112.122.239.31	Find precise map location of 112.122.239.31
210.137.155.150	Find precise map location of 210.137.155.150
144.56.19.56	Find precise map location of 144.56.19.56
7.176.231.4	Find precise map location of 7.176.231.4
111.15.40.65	Find precise map location of 111.15.40.65
158.1.168.151	Find precise map location of 158.1.168.151
131.157.196.4	Find precise map location of 131.157.196.4

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