5.21.192 is a class C of IPs

Sample IPs from the class C 5.21.192

5.21.192.28	View precise location of 5.21.192.28 on the map!
5.21.192.253	View precise location of 5.21.192.253 on the map!
5.21.192.23	View precise location of 5.21.192.23 on the map!
5.21.192.28	View precise location of 5.21.192.28 on the map!
5.21.192.197	View precise location of 5.21.192.197 on the map!
5.21.192.53	View precise location of 5.21.192.53 on the map!
5.21.192.108	View precise location of 5.21.192.108 on the map!
5.21.192.117	View precise location of 5.21.192.117 on the map!
5.21.192.135	View precise location of 5.21.192.135 on the map!
5.21.192.216	View precise location of 5.21.192.216 on the map!
5.21.192.94	View precise location of 5.21.192.94 on the map!

10 Random IPs

6.104.38.209	Find precise map location of 6.104.38.209
88.111.44.220	Find precise map location of 88.111.44.220
201.222.204.32	Find precise map location of 201.222.204.32
137.170.132.74	Find precise map location of 137.170.132.74
61.132.121.6	Find precise map location of 61.132.121.6
41.242.162.2	Find precise map location of 41.242.162.2
129.220.87.167	Find precise map location of 129.220.87.167
129.30.74.239	Find precise map location of 129.30.74.239
158.125.209.175	Find precise map location of 158.125.209.175
250.19.98.56	Find precise map location of 250.19.98.56
209.197.230.183	Find precise map location of 209.197.230.183

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