144.6.21 is a class C of IPs

Sample IPs from the class C 144.6.21

144.6.21.239	View precise location of 144.6.21.239 on the map!
144.6.21.1	View precise location of 144.6.21.1 on the map!
144.6.21.167	View precise location of 144.6.21.167 on the map!
144.6.21.91	View precise location of 144.6.21.91 on the map!
144.6.21.145	View precise location of 144.6.21.145 on the map!
144.6.21.113	View precise location of 144.6.21.113 on the map!
144.6.21.112	View precise location of 144.6.21.112 on the map!
144.6.21.108	View precise location of 144.6.21.108 on the map!
144.6.21.79	View precise location of 144.6.21.79 on the map!
144.6.21.212	View precise location of 144.6.21.212 on the map!
144.6.21.64	View precise location of 144.6.21.64 on the map!

10 Random IPs

174.187.18.130	Find precise map location of 174.187.18.130
168.46.249.11	Find precise map location of 168.46.249.11
166.54.177.245	Find precise map location of 166.54.177.245
227.80.160.205	Find precise map location of 227.80.160.205
243.229.192.141	Find precise map location of 243.229.192.141
100.7.250.248	Find precise map location of 100.7.250.248
148.27.38.188	Find precise map location of 148.27.38.188
110.49.149.110	Find precise map location of 110.49.149.110
121.223.219.145	Find precise map location of 121.223.219.145
5.13.149.28	Find precise map location of 5.13.149.28
218.75.183.19	Find precise map location of 218.75.183.19

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