Robtex

Up: 189.216.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 189.216.0.0/23
Down right: 189.216.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
189.216.0.0	PTR	host-189-216-0-0.cablevision.net.mx
189.216.0.17	PTR	customer-189-216-0-17.cablevision.net.mx
189.216.0.17	A	scontent.fmex3-1.fna.fbcdn.net
189.216.0.17	A	external.fmex3-1.fna.fbcdn.net
189.216.0.18	PTR	customer-189-216-0-18.cablevision.net.mx
189.216.0.18	A	video.fmex3-1.fna.fbcdn.net
189.216.0.32	PTR	customer-189-216-0-32.cablevision.net.mx
189.216.0.32	A	instagram.fmex3-1.fna.fbcdn.net
189.216.0.40	PTR	customer-189-216-0-40.cablevision.net.mx
189.216.0.40	A	z-1-scontent.fmex3-1.fna.fbcdn.net
189.216.0.40	A	z-1-video.fmex3-1.fna.fbcdn.net
189.216.0.76	PTR	customer-189-216-0-76.cablevision.net.mx
189.216.0.76	A	r1---sn-j5cax8pnpvohm-hxmd.gvt1.com
189.216.0.76	A	r1.sn-j5cax8pnpvohm-hxmd.googlevideo.com
189.216.0.77	PTR	customer-189-216-0-77.cablevision.net.mx
189.216.0.77	A	r2.sn-j5cax8pnpvohm-hxmd.googlevideo.com
189.216.0.77	A	r2---sn-j5cax8pnpvohm-hxmd.gvt1.com
189.216.0.78	PTR	customer-189-216-0-78.cablevision.net.mx
189.216.0.79	PTR	customer-189-216-0-79.cablevision.net.mx
189.216.0.80	PTR	customer-189-216-0-80.cablevision.net.mx
189.216.0.80	A	r5.sn-j5cax8pnpvohm-hxmd.googlevideo.com
189.216.0.80	A	r5---sn-j5cax8pnpvohm-hxmd.googlevideo.com
189.216.0.81	PTR	customer-189-216-0-81.cablevision.net.mx
189.216.0.81	A	r6---sn-j5cax8pnpvohm-hxmd.googlevideo.com
189.216.0.82	PTR	customer-189-216-0-82.cablevision.net.mx
189.216.0.83	PTR	customer-189-216-0-83.cablevision.net.mx
189.216.0.164	PTR	customer-189-216-0-164.cablevision.net.mx
189.216.0.181	PTR	customer-189-216-0-181.cablevision.net.mx
189.216.0.184	PTR	customer-189-216-0-184.cablevision.net.mx
189.216.0.192	PTR	customer-189-216-0-192.cablevision.net.mx
189.216.0.192	A	ipv4-c001-mex004-izzi-isp.ftl.nflxvideo.net
189.216.0.194	PTR	customer-189-216-0-194.cablevision.net.mx
189.216.0.194	A	ipv4-c002-mex004-izzi-isp.ftl.nflxvideo.net
189.216.0.200	PTR	customer-189-216-0-200.cablevision.net.mx
189.216.0.206	PTR	customer-189-216-0-206.cablevision.net.mx
189.216.0.206	A	ipv4-c008-mex004-izzi-isp.1.oca.nflxvideo.net
189.216.0.208	PTR	customer-189-216-0-208.cablevision.net.mx
189.216.0.208	A	ipv4-c009-mex004-izzi-isp.1.oca.nflxvideo.net
189.216.0.212	PTR	customer-189-216-0-212.cablevision.net.mx
189.216.0.212	A	ipv4-c012-mex004-izzi-isp.1.oca.nflxvideo.net
189.216.1.9	PTR	customer-189-216-1-9.cablevision.net.mx
189.216.3.1	PTR	customer-189-216-3-1.cablevision.net.mx
189.216.3.15	PTR	customer-189-216-3-15.cablevision.net.mx
189.216.3.16	PTR	customer-189-216-3-16.cablevision.net.mx
189.216.3.47	PTR	customer-189-216-3-47.cablevision.net.mx
189.216.3.52	PTR	customer-189-216-3-52.cablevision.net.mx
189.216.3.62	PTR	customer-189-216-3-62.cablevision.net.mx
189.216.3.73	PTR	customer-189-216-3-73.cablevision.net.mx
189.216.3.75	PTR	customer-189-216-3-75.cablevision.net.mx
189.216.3.82	PTR	customer-189-216-3-82.cablevision.net.mx
189.216.3.104	PTR	customer-189-216-3-104.cablevision.net.mx
189.216.3.114	PTR	customer-189-216-3-114.cablevision.net.mx