181.99.173 is a class C of IPs

Sample IPs from the class C 181.99.173

181.99.173.228	View precise location of 181.99.173.228 on the map!
181.99.173.166	View precise location of 181.99.173.166 on the map!
181.99.173.86	View precise location of 181.99.173.86 on the map!
181.99.173.105	View precise location of 181.99.173.105 on the map!
181.99.173.255	View precise location of 181.99.173.255 on the map!
181.99.173.113	View precise location of 181.99.173.113 on the map!
181.99.173.132	View precise location of 181.99.173.132 on the map!
181.99.173.6	View precise location of 181.99.173.6 on the map!
181.99.173.63	View precise location of 181.99.173.63 on the map!
181.99.173.239	View precise location of 181.99.173.239 on the map!
181.99.173.49	View precise location of 181.99.173.49 on the map!

10 Random IPs

136.148.160.68	Find precise map location of 136.148.160.68
237.28.143.45	Find precise map location of 237.28.143.45
142.31.38.217	Find precise map location of 142.31.38.217
3.163.34.22	Find precise map location of 3.163.34.22
114.251.105.207	Find precise map location of 114.251.105.207
32.195.43.22	Find precise map location of 32.195.43.22
252.42.71.51	Find precise map location of 252.42.71.51
108.164.244.223	Find precise map location of 108.164.244.223
122.221.103.214	Find precise map location of 122.221.103.214
19.193.51.96	Find precise map location of 19.193.51.96
123.28.114.198	Find precise map location of 123.28.114.198

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