255.237.91 is a class C of IPs

Sample IPs from the class C 255.237.91

255.237.91.21	View precise location of 255.237.91.21 on the map!
255.237.91.206	View precise location of 255.237.91.206 on the map!
255.237.91.86	View precise location of 255.237.91.86 on the map!
255.237.91.165	View precise location of 255.237.91.165 on the map!
255.237.91.236	View precise location of 255.237.91.236 on the map!
255.237.91.227	View precise location of 255.237.91.227 on the map!
255.237.91.240	View precise location of 255.237.91.240 on the map!
255.237.91.89	View precise location of 255.237.91.89 on the map!
255.237.91.118	View precise location of 255.237.91.118 on the map!
255.237.91.151	View precise location of 255.237.91.151 on the map!
255.237.91.12	View precise location of 255.237.91.12 on the map!

10 Random IPs

64.44.182.250	Find precise map location of 64.44.182.250
134.193.1.86	Find precise map location of 134.193.1.86
202.87.41.110	Find precise map location of 202.87.41.110
121.15.103.69	Find precise map location of 121.15.103.69
215.109.137.115	Find precise map location of 215.109.137.115
9.185.197.50	Find precise map location of 9.185.197.50
217.3.156.131	Find precise map location of 217.3.156.131
98.108.204.11	Find precise map location of 98.108.204.11
116.36.74.66	Find precise map location of 116.36.74.66
76.116.160.228	Find precise map location of 76.116.160.228
39.60.108.229	Find precise map location of 39.60.108.229

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