157.81.235 is a class C of IPs

Sample IPs from the class C 157.81.235

157.81.235.64	View precise location of 157.81.235.64 on the map!
157.81.235.253	View precise location of 157.81.235.253 on the map!
157.81.235.159	View precise location of 157.81.235.159 on the map!
157.81.235.189	View precise location of 157.81.235.189 on the map!
157.81.235.11	View precise location of 157.81.235.11 on the map!
157.81.235.90	View precise location of 157.81.235.90 on the map!
157.81.235.36	View precise location of 157.81.235.36 on the map!
157.81.235.155	View precise location of 157.81.235.155 on the map!
157.81.235.152	View precise location of 157.81.235.152 on the map!
157.81.235.20	View precise location of 157.81.235.20 on the map!
157.81.235.54	View precise location of 157.81.235.54 on the map!

10 Random IPs

172.147.20.60	Find precise map location of 172.147.20.60
100.213.234.162	Find precise map location of 100.213.234.162
142.177.204.57	Find precise map location of 142.177.204.57
132.109.70.3	Find precise map location of 132.109.70.3
109.234.74.240	Find precise map location of 109.234.74.240
16.198.51.251	Find precise map location of 16.198.51.251
162.74.15.39	Find precise map location of 162.74.15.39
237.35.23.194	Find precise map location of 237.35.23.194
235.96.183.254	Find precise map location of 235.96.183.254
223.134.252.123	Find precise map location of 223.134.252.123
123.32.198.73	Find precise map location of 123.32.198.73

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