37.221.13 is a class C of IPs

Sample IPs from the class C 37.221.13

37.221.13.41	View precise location of 37.221.13.41 on the map!
37.221.13.192	View precise location of 37.221.13.192 on the map!
37.221.13.199	View precise location of 37.221.13.199 on the map!
37.221.13.55	View precise location of 37.221.13.55 on the map!
37.221.13.113	View precise location of 37.221.13.113 on the map!
37.221.13.215	View precise location of 37.221.13.215 on the map!
37.221.13.189	View precise location of 37.221.13.189 on the map!
37.221.13.66	View precise location of 37.221.13.66 on the map!
37.221.13.34	View precise location of 37.221.13.34 on the map!
37.221.13.87	View precise location of 37.221.13.87 on the map!
37.221.13.202	View precise location of 37.221.13.202 on the map!

10 Random IPs

64.90.40.215	Find precise map location of 64.90.40.215
124.65.92.195	Find precise map location of 124.65.92.195
249.177.130.105	Find precise map location of 249.177.130.105
116.95.129.142	Find precise map location of 116.95.129.142
120.192.102.113	Find precise map location of 120.192.102.113
108.200.53.106	Find precise map location of 108.200.53.106
224.80.79.88	Find precise map location of 224.80.79.88
165.110.105.21	Find precise map location of 165.110.105.21
49.204.88.22	Find precise map location of 49.204.88.22
158.122.160.66	Find precise map location of 158.122.160.66
47.9.213.1	Find precise map location of 47.9.213.1

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