Robtex

Up: 189.216.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 189.216.32.0/22
Down right: 189.216.36.0/22

IP	Type	Hostname
189.216.32.67	PTR	customer-189-216-32-67.cablevision.net.mx
189.216.32.75	PTR	customer-189-216-32-75.cablevision.net.mx
189.216.32.192	PTR	customer-189-216-32-192.cablevision.net.mx
189.216.32.211	PTR	customer-189-216-32-211.cablevision.net.mx
189.216.32.218	PTR	customer-189-216-32-218.cablevision.net.mx
189.216.32.224	PTR	customer-189-216-32-224.cablevision.net.mx
189.216.34.34	PTR	customer-189-216-34-34.cablevision.net.mx
189.216.34.82	PTR	customer-189-216-34-82.cablevision.net.mx
189.216.34.99	PTR	customer-189-216-34-99.cablevision.net.mx
189.216.34.104	PTR	customer-189-216-34-104.cablevision.net.mx
189.216.34.115	PTR	customer-189-216-34-115.cablevision.net.mx
189.216.34.122	PTR	customer-189-216-34-122.cablevision.net.mx
189.216.34.162	PTR	customer-189-216-34-162.cablevision.net.mx
189.216.34.217	PTR	customer-189-216-34-217.cablevision.net.mx
189.216.34.218	PTR	customer-189-216-34-218.cablevision.net.mx
189.216.34.235	PTR	customer-189-216-34-235.cablevision.net.mx
189.216.35.8	PTR	customer-189-216-35-8.cablevision.net.mx
189.216.36.19	PTR	customer-189-216-36-19.cablevision.net.mx
189.216.36.231	PTR	customer-189-216-36-231.cablevision.net.mx
189.216.37.181	PTR	customer-189-216-37-181.cablevision.net.mx
189.216.37.197	PTR	customer-189-216-37-197.cablevision.net.mx
189.216.38.2	PTR	customer-189-216-38-2.cablevision.net.mx