Robtex

Up: 191.7.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 191.7.48.0/22
Down right: 191.7.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
191.7.48.10	A+PTR	191-7-48-10.viacast.com.br
191.7.48.10	A	www.viacast.com.br
191.7.48.10	A	www.maxitv.com.br
191.7.48.11	PTR	ns.telivus.com.br
191.7.48.12	PTR	ns2.grupoip2.com.br
191.7.48.22	A	ns3.viacast.com.br
191.7.48.102	A	cspecem.com
191.7.48.102	A	ns1.cspecem.com
191.7.48.140	A+PTR	191-7-48-140.viacast.com.br
191.7.48.140	A	networksecure.com.br
191.7.48.140	A	www.networksecure.com.br
191.7.48.162	A+PTR	191-7-48-162.viacast.com.br
191.7.48.162	A	ipv4-c001-for001-viacast-br-isp.1.oca.nflxvideo.net
191.7.48.162	A	occ-2-1649-1123.1.nflxso.net
191.7.48.215	A+PTR	191-7-48-215.viacast.com.br
191.7.48.215	A	www.aerisenergy.com.br
191.7.48.215	A	aerisenergy.com.br
191.7.49.7	A+PTR	191-7-49-7.viacast.com.br
191.7.49.7	A	ns2.grupozenir.com.br
191.7.49.66	A+PTR	191-7-49-66.viacast.com.br
191.7.49.66	A	itmf.com.br
191.7.49.108	A+PTR	191-7-49-108.viacast.com.br
191.7.49.108	A	www.cspecem.com
191.7.50.122	A	ns1.unimedceara.com.br
191.7.50.123	A+PTR	mail1.unimedceara.com.br
191.7.50.123	A	unimedceara.com.br
191.7.50.123	A	www.unimedcrateus.com.br
191.7.50.179	A	191-7-50-179.viacast.com.br
191.7.50.220	A+PTR	191-7-50-220.viacast.com.br
191.7.51.81	A+PTR	191-7-51-81.viacast.com.br
191.7.51.81	A	scontent.ffor18-1.fna.fbcdn.net
191.7.51.82	A+PTR	191-7-51-82.viacast.com.br
191.7.51.82	A	video.ffor18-1.fna.fbcdn.net
191.7.51.96	A+PTR	191-7-51-96.viacast.com.br
191.7.51.96	A	z-p3-scontent.ffor18-1.fna.fbcdn.net
191.7.51.97	A+PTR	191-7-51-97.viacast.com.br
191.7.51.97	A	instagram.ffor18-1.fna.fbcdn.net
191.7.51.172	PTR	cache.google.com
191.7.51.172	A	r1.sn-8p5j5nucg-4vge.googlevideo.com
191.7.51.172	A	r1---sn-8p5j5nucg-4vge.googlevideo.com
191.7.51.173	PTR	cache.google.com