113.76.221 is a class C of IPs

Sample IPs from the class C 113.76.221

113.76.221.176	View precise location of 113.76.221.176 on the map!
113.76.221.153	View precise location of 113.76.221.153 on the map!
113.76.221.168	View precise location of 113.76.221.168 on the map!
113.76.221.99	View precise location of 113.76.221.99 on the map!
113.76.221.9	View precise location of 113.76.221.9 on the map!
113.76.221.61	View precise location of 113.76.221.61 on the map!
113.76.221.22	View precise location of 113.76.221.22 on the map!
113.76.221.208	View precise location of 113.76.221.208 on the map!
113.76.221.175	View precise location of 113.76.221.175 on the map!
113.76.221.19	View precise location of 113.76.221.19 on the map!
113.76.221.204	View precise location of 113.76.221.204 on the map!

10 Random IPs

67.172.144.90	Find precise map location of 67.172.144.90
124.35.89.97	Find precise map location of 124.35.89.97
131.198.157.114	Find precise map location of 131.198.157.114
163.164.107.38	Find precise map location of 163.164.107.38
221.50.240.12	Find precise map location of 221.50.240.12
121.250.55.38	Find precise map location of 121.250.55.38
198.85.232.4	Find precise map location of 198.85.232.4
95.94.135.54	Find precise map location of 95.94.135.54
255.249.224.68	Find precise map location of 255.249.224.68
115.51.93.164	Find precise map location of 115.51.93.164
211.87.89.201	Find precise map location of 211.87.89.201

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