21.30.168 is a class C of IPs

Sample IPs from the class C 21.30.168

21.30.168.38	View precise location of 21.30.168.38 on the map!
21.30.168.124	View precise location of 21.30.168.124 on the map!
21.30.168.189	View precise location of 21.30.168.189 on the map!
21.30.168.123	View precise location of 21.30.168.123 on the map!
21.30.168.198	View precise location of 21.30.168.198 on the map!
21.30.168.233	View precise location of 21.30.168.233 on the map!
21.30.168.7	View precise location of 21.30.168.7 on the map!
21.30.168.130	View precise location of 21.30.168.130 on the map!
21.30.168.156	View precise location of 21.30.168.156 on the map!
21.30.168.141	View precise location of 21.30.168.141 on the map!
21.30.168.208	View precise location of 21.30.168.208 on the map!

10 Random IPs

115.46.230.184	Find precise map location of 115.46.230.184
2.135.212.34	Find precise map location of 2.135.212.34
34.138.4.28	Find precise map location of 34.138.4.28
228.93.61.212	Find precise map location of 228.93.61.212
172.41.222.235	Find precise map location of 172.41.222.235
102.128.192.2	Find precise map location of 102.128.192.2
93.220.111.200	Find precise map location of 93.220.111.200
213.105.32.41	Find precise map location of 213.105.32.41
19.202.75.240	Find precise map location of 19.202.75.240
168.68.124.143	Find precise map location of 168.68.124.143
144.85.215.166	Find precise map location of 144.85.215.166

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