181.181.30 is a class C of IPs

Sample IPs from the class C 181.181.30

181.181.30.137	View precise location of 181.181.30.137 on the map!
181.181.30.30	View precise location of 181.181.30.30 on the map!
181.181.30.99	View precise location of 181.181.30.99 on the map!
181.181.30.206	View precise location of 181.181.30.206 on the map!
181.181.30.149	View precise location of 181.181.30.149 on the map!
181.181.30.119	View precise location of 181.181.30.119 on the map!
181.181.30.70	View precise location of 181.181.30.70 on the map!
181.181.30.210	View precise location of 181.181.30.210 on the map!
181.181.30.76	View precise location of 181.181.30.76 on the map!
181.181.30.215	View precise location of 181.181.30.215 on the map!
181.181.30.74	View precise location of 181.181.30.74 on the map!

10 Random IPs

81.51.182.136	Find precise map location of 81.51.182.136
201.255.186.71	Find precise map location of 201.255.186.71
69.205.182.223	Find precise map location of 69.205.182.223
87.29.133.245	Find precise map location of 87.29.133.245
254.112.75.156	Find precise map location of 254.112.75.156
224.90.70.212	Find precise map location of 224.90.70.212
172.235.138.188	Find precise map location of 172.235.138.188
37.216.244.153	Find precise map location of 37.216.244.153
206.47.51.46	Find precise map location of 206.47.51.46
102.89.191.239	Find precise map location of 102.89.191.239
183.70.44.152	Find precise map location of 183.70.44.152

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