11.91.83 is a class C of IPs

Sample IPs from the class C 11.91.83

11.91.83.99	View precise location of 11.91.83.99 on the map!
11.91.83.80	View precise location of 11.91.83.80 on the map!
11.91.83.121	View precise location of 11.91.83.121 on the map!
11.91.83.31	View precise location of 11.91.83.31 on the map!
11.91.83.113	View precise location of 11.91.83.113 on the map!
11.91.83.116	View precise location of 11.91.83.116 on the map!
11.91.83.162	View precise location of 11.91.83.162 on the map!
11.91.83.30	View precise location of 11.91.83.30 on the map!
11.91.83.126	View precise location of 11.91.83.126 on the map!
11.91.83.130	View precise location of 11.91.83.130 on the map!
11.91.83.154	View precise location of 11.91.83.154 on the map!

10 Random IPs

70.49.34.234	Find precise map location of 70.49.34.234
56.235.20.181	Find precise map location of 56.235.20.181
138.12.251.53	Find precise map location of 138.12.251.53
171.218.251.85	Find precise map location of 171.218.251.85
167.80.242.43	Find precise map location of 167.80.242.43
246.123.62.228	Find precise map location of 246.123.62.228
15.106.105.247	Find precise map location of 15.106.105.247
95.143.149.16	Find precise map location of 95.143.149.16
141.146.26.243	Find precise map location of 141.146.26.243
246.96.54.87	Find precise map location of 246.96.54.87
125.112.121.3	Find precise map location of 125.112.121.3

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