137.42 is a class B of IPs

Sample IPs from the class B 137.42

137.42.255.217	View precise location of 137.42.255.217 on the map!
137.42.75.96	View precise location of 137.42.75.96 on the map!
137.42.116.182	View precise location of 137.42.116.182 on the map!
137.42.226.37	View precise location of 137.42.226.37 on the map!
137.42.187.253	View precise location of 137.42.187.253 on the map!
137.42.221.82	View precise location of 137.42.221.82 on the map!
137.42.117.21	View precise location of 137.42.117.21 on the map!
137.42.170.245	View precise location of 137.42.170.245 on the map!
137.42.184.93	View precise location of 137.42.184.93 on the map!
137.42.81.188	View precise location of 137.42.81.188 on the map!
137.42.194.136	View precise location of 137.42.194.136 on the map!

10 Random IPs

108.81.112.88	Find precise map location of 108.81.112.88
92.217.222.44	Find precise map location of 92.217.222.44
234.49.137.119	Find precise map location of 234.49.137.119
196.229.26.195	Find precise map location of 196.229.26.195
254.5.5.163	Find precise map location of 254.5.5.163
159.136.217.81	Find precise map location of 159.136.217.81
253.175.170.98	Find precise map location of 253.175.170.98
117.37.59.127	Find precise map location of 117.37.59.127
188.237.160.185	Find precise map location of 188.237.160.185
53.123.92.28	Find precise map location of 53.123.92.28
178.197.146.154	Find precise map location of 178.197.146.154

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