Robtex

Up: 189.216.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 189.216.136.0/22
Down right: 189.216.140.0/22

IP	Type	Hostname
189.216.137.0	PTR	customer-189-216-137-0.cablevision.net.mx
189.216.139.32	PTR	customer-189-216-139-32.cablevision.net.mx
189.216.140.207	PTR	customer-189-216-140-207.cablevision.net.mx
189.216.140.226	PTR	customer-189-216-140-226.cablevision.net.mx
189.216.141.16	PTR	customer-189-216-141-16.cablevision.net.mx
189.216.141.17	PTR	customer-189-216-141-17.cablevision.net.mx
189.216.141.48	PTR	customer-189-216-141-48.cablevision.net.mx
189.216.141.49	PTR	customer-189-216-141-49.cablevision.net.mx
189.216.141.66	PTR	customer-189-216-141-66.cablevision.net.mx
189.216.141.97	PTR	customer-189-216-141-97.cablevision.net.mx
189.216.141.99	PTR	customer-189-216-141-99.cablevision.net.mx
189.216.141.121	PTR	customer-189-216-141-121.cablevision.net.mx
189.216.141.122	PTR	customer-189-216-141-122.cablevision.net.mx
189.216.141.123	PTR	customer-189-216-141-123.cablevision.net.mx
189.216.141.163	PTR	customer-189-216-141-163.cablevision.net.mx
189.216.141.169	PTR	customer-189-216-141-169.cablevision.net.mx
189.216.141.211	PTR	customer-189-216-141-211.cablevision.net.mx
189.216.141.225	PTR	customer-189-216-141-225.cablevision.net.mx
189.216.141.234	PTR	customer-189-216-141-234.cablevision.net.mx
189.216.141.241	PTR	customer-189-216-141-241.cablevision.net.mx
189.216.141.248	PTR	customer-189-216-141-248.cablevision.net.mx
189.216.142.78	PTR	customer-189-216-142-78.cablevision.net.mx
189.216.143.96	PTR	customer-189-216-143-96.cablevision.net.mx
189.216.143.96	A	marandiindi.com
189.216.143.213	PTR	customer-189-216-143-213.cablevision.net.mx
189.216.143.213	A	legitimateis.com
189.216.143.233	PTR	customer-189-216-143-233.cablevision.net.mx