133.58.21 is a class C of IPs

Sample IPs from the class C 133.58.21

133.58.21.33	View precise location of 133.58.21.33 on the map!
133.58.21.255	View precise location of 133.58.21.255 on the map!
133.58.21.169	View precise location of 133.58.21.169 on the map!
133.58.21.28	View precise location of 133.58.21.28 on the map!
133.58.21.182	View precise location of 133.58.21.182 on the map!
133.58.21.165	View precise location of 133.58.21.165 on the map!
133.58.21.22	View precise location of 133.58.21.22 on the map!
133.58.21.206	View precise location of 133.58.21.206 on the map!
133.58.21.145	View precise location of 133.58.21.145 on the map!
133.58.21.102	View precise location of 133.58.21.102 on the map!
133.58.21.99	View precise location of 133.58.21.99 on the map!

10 Random IPs

41.47.227.38	Find precise map location of 41.47.227.38
23.245.243.225	Find precise map location of 23.245.243.225
22.232.225.38	Find precise map location of 22.232.225.38
193.21.155.248	Find precise map location of 193.21.155.248
81.141.252.34	Find precise map location of 81.141.252.34
36.154.48.174	Find precise map location of 36.154.48.174
46.158.236.242	Find precise map location of 46.158.236.242
62.173.18.44	Find precise map location of 62.173.18.44
117.196.92.104	Find precise map location of 117.196.92.104
208.233.168.245	Find precise map location of 208.233.168.245
217.59.169.130	Find precise map location of 217.59.169.130

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