21.89.147 is a class C of IPs

Sample IPs from the class C 21.89.147

21.89.147.33	View precise location of 21.89.147.33 on the map!
21.89.147.165	View precise location of 21.89.147.165 on the map!
21.89.147.10	View precise location of 21.89.147.10 on the map!
21.89.147.111	View precise location of 21.89.147.111 on the map!
21.89.147.249	View precise location of 21.89.147.249 on the map!
21.89.147.239	View precise location of 21.89.147.239 on the map!
21.89.147.45	View precise location of 21.89.147.45 on the map!
21.89.147.196	View precise location of 21.89.147.196 on the map!
21.89.147.104	View precise location of 21.89.147.104 on the map!
21.89.147.241	View precise location of 21.89.147.241 on the map!
21.89.147.224	View precise location of 21.89.147.224 on the map!

10 Random IPs

204.136.152.17	Find precise map location of 204.136.152.17
130.76.187.203	Find precise map location of 130.76.187.203
169.27.16.156	Find precise map location of 169.27.16.156
70.89.145.27	Find precise map location of 70.89.145.27
150.44.37.23	Find precise map location of 150.44.37.23
168.179.58.166	Find precise map location of 168.179.58.166
123.118.202.154	Find precise map location of 123.118.202.154
21.117.88.138	Find precise map location of 21.117.88.138
100.140.33.169	Find precise map location of 100.140.33.169
116.180.161.240	Find precise map location of 116.180.161.240
192.125.95.127	Find precise map location of 192.125.95.127

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