13.228.187 is a class C of IPs

Sample IPs from the class C 13.228.187

13.228.187.79	View precise location of 13.228.187.79 on the map!
13.228.187.69	View precise location of 13.228.187.69 on the map!
13.228.187.106	View precise location of 13.228.187.106 on the map!
13.228.187.70	View precise location of 13.228.187.70 on the map!
13.228.187.176	View precise location of 13.228.187.176 on the map!
13.228.187.1	View precise location of 13.228.187.1 on the map!
13.228.187.88	View precise location of 13.228.187.88 on the map!
13.228.187.2	View precise location of 13.228.187.2 on the map!
13.228.187.236	View precise location of 13.228.187.236 on the map!
13.228.187.210	View precise location of 13.228.187.210 on the map!
13.228.187.74	View precise location of 13.228.187.74 on the map!

10 Random IPs

117.199.66.184	Find precise map location of 117.199.66.184
181.117.31.101	Find precise map location of 181.117.31.101
1.99.18.16	Find precise map location of 1.99.18.16
41.38.229.192	Find precise map location of 41.38.229.192
135.208.25.243	Find precise map location of 135.208.25.243
116.181.253.66	Find precise map location of 116.181.253.66
147.51.28.82	Find precise map location of 147.51.28.82
206.29.88.95	Find precise map location of 206.29.88.95
199.238.33.13	Find precise map location of 199.238.33.13
126.216.193.46	Find precise map location of 126.216.193.46
34.227.52.118	Find precise map location of 34.227.52.118

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