199.99.183 is a class C of IPs

Sample IPs from the class C 199.99.183

199.99.183.208	View precise location of 199.99.183.208 on the map!
199.99.183.212	View precise location of 199.99.183.212 on the map!
199.99.183.47	View precise location of 199.99.183.47 on the map!
199.99.183.131	View precise location of 199.99.183.131 on the map!
199.99.183.235	View precise location of 199.99.183.235 on the map!
199.99.183.184	View precise location of 199.99.183.184 on the map!
199.99.183.244	View precise location of 199.99.183.244 on the map!
199.99.183.172	View precise location of 199.99.183.172 on the map!
199.99.183.126	View precise location of 199.99.183.126 on the map!
199.99.183.223	View precise location of 199.99.183.223 on the map!
199.99.183.253	View precise location of 199.99.183.253 on the map!

10 Random IPs

162.250.35.119	Find precise map location of 162.250.35.119
228.40.65.101	Find precise map location of 228.40.65.101
53.138.150.122	Find precise map location of 53.138.150.122
21.8.83.38	Find precise map location of 21.8.83.38
241.111.75.7	Find precise map location of 241.111.75.7
142.158.91.27	Find precise map location of 142.158.91.27
44.127.39.37	Find precise map location of 44.127.39.37
227.67.169.236	Find precise map location of 227.67.169.236
98.62.211.170	Find precise map location of 98.62.211.170
64.171.251.26	Find precise map location of 64.171.251.26
181.252.59.159	Find precise map location of 181.252.59.159

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