Robtex

Up: 191.7.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 191.7.192.0/21
Down right: 191.7.200.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
191.7.192.10	PTR	10.192.7.191.online.net.br
191.7.192.70	PTR	191-7-192-70.online.net.br
191.7.192.84	PTR	84.192.7.191.online.net.br
191.7.192.84	A	leolar.com.br
191.7.192.84	A	b.ns.leolar.com.br
191.7.192.140	PTR	140.192.7.191.online.net.br
191.7.192.146	PTR	191-7-192-146.online.net.br
191.7.192.214	PTR	214.192.7.191.online.net.br
191.7.192.234	A	hotbel.com.br
191.7.193.10	PTR	10.193.7.191.online.net.br
191.7.193.21	PTR	21.193.7.191.online.net.br
191.7.193.50	PTR	50.193.7.191.online.net.br
191.7.193.50	A	rfedfdes3x.com
191.7.193.118	PTR	118.193.7.191.online.net.br
191.7.193.173	PTR	173.193.7.191.online.net.br
191.7.194.3	PTR	191-7-194-3.online.net.br
191.7.194.10	PTR	191-7-194-10.online.net.br
191.7.194.18	PTR	191-7-194-18.online.net.br
191.7.194.18	A	servidorpmsq.com
191.7.194.42	PTR	42.194.7.191.online.net.br
191.7.194.58	PTR	191-7-194-58.online.net.br
191.7.194.110	PTR	110.194.7.191.online.net.br
191.7.194.165	PTR	191-7-194-165.online.net.br
191.7.195.10	PTR	10.195.7.191.online.net.br
191.7.195.114	PTR	191-7-195-114.online.net.br
191.7.195.114	A	occ-2-1726-1865.1.nflxso.net
191.7.195.114	A	occ-0-1726-1801.1.nflxso.net
191.7.195.122	PTR	122.195.7.191.online.net.br
191.7.195.226	PTR	191-7-195-226.online.net.br
191.7.195.226	A	sqnet.net.br
191.7.195.227	A	ns2.sqnet.net.br
191.7.196.74	PTR	74.196.7.191.online.net.br
191.7.196.103	PTR	191-7-196-103.online.net.br
191.7.196.162	PTR	162.196.7.191.online.net.br
191.7.196.174	PTR	191-7-196-174.online.net.br
191.7.198.19	PTR	191-7-198-19.online.net.br
191.7.198.102	PTR	102.198.7.191.online.net.br
191.7.198.106	PTR	106.198.7.191.online.net.br
191.7.198.114	PTR	114.198.7.191.online.net.br
191.7.198.243	PTR	243.198.7.191.online.net.br
191.7.199.10	PTR	191-7-199-10.online.net.br
191.7.200.2	PTR	191-7-200-2.online.net.br
191.7.200.174	PTR	174.200.7.191.online.net.br
191.7.204.3	PTR	191-7-204-3.online.net.br
191.7.204.5	PTR	191-7-204-5.online.net.br
191.7.204.104	PTR	191-7-204-104.online.net.br
191.7.205.1	PTR	191-7-205-1.online.net.br
191.7.205.4	PTR	4.205.7.191.online.net.br
191.7.205.6	PTR	191-7-205-6.online.net.br
191.7.205.7	PTR	191-7-205-7.online.net.br
191.7.205.102	PTR	191-7-205-102.online.net.br
191.7.206.5	PTR	191-7-206-5.online.net.br
191.7.206.19	PTR	191-7-206-19.online.net.br
191.7.206.194	PTR	191-7-206-194.online.net.br
191.7.206.194	A	www.flashnetcaxias.com.br
191.7.206.194	A	flashnetcaxias.com.br
191.7.206.222	PTR	191-7-206-222.online.net.br
191.7.206.222	A	connectma.com.br
191.7.207.6	PTR	191-7-207-6.online.net.br
191.7.207.10	PTR	10.207.7.191.online.net.br