113.13.221 is a class C of IPs

Sample IPs from the class C 113.13.221

113.13.221.197	View precise location of 113.13.221.197 on the map!
113.13.221.176	View precise location of 113.13.221.176 on the map!
113.13.221.184	View precise location of 113.13.221.184 on the map!
113.13.221.23	View precise location of 113.13.221.23 on the map!
113.13.221.125	View precise location of 113.13.221.125 on the map!
113.13.221.12	View precise location of 113.13.221.12 on the map!
113.13.221.204	View precise location of 113.13.221.204 on the map!
113.13.221.26	View precise location of 113.13.221.26 on the map!
113.13.221.127	View precise location of 113.13.221.127 on the map!
113.13.221.94	View precise location of 113.13.221.94 on the map!
113.13.221.222	View precise location of 113.13.221.222 on the map!

10 Random IPs

230.20.254.125	Find precise map location of 230.20.254.125
103.124.135.72	Find precise map location of 103.124.135.72
68.132.241.148	Find precise map location of 68.132.241.148
217.150.253.107	Find precise map location of 217.150.253.107
150.168.144.68	Find precise map location of 150.168.144.68
180.142.254.135	Find precise map location of 180.142.254.135
92.36.190.51	Find precise map location of 92.36.190.51
111.155.118.121	Find precise map location of 111.155.118.121
200.192.209.55	Find precise map location of 200.192.209.55
149.185.156.150	Find precise map location of 149.185.156.150
170.117.112.60	Find precise map location of 170.117.112.60

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