Robtex

Up: 177.74.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 177.74.80.0/24
Down right: 177.74.81.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.74.80.3	PTR	dnspublico02.fokusnet.com.br
177.74.80.6	PTR	serv1.fokusnet.com.br
177.74.80.6	A	mail.hidrara.com.br
177.74.80.6	A	thosting.com.br
177.74.80.7	PTR	serv2.fokusnet.com.br
177.74.80.10	PTR	177-074-080-010.fokusnet.com.br
177.74.80.10	A	speedtest.fokusnet.com.br
177.74.80.25	PTR	177-074-080-025.fokusnet.com.br
177.74.80.67	PTR	177-074-080-067.fokusnet.com.br
177.74.80.75	PTR	177-074-080-075.fokusnet.com.br
177.74.80.83	PTR	177-074-080-083.fokusnet.com.br
177.74.81.2	PTR	177-074-081-002.fokusnet.com.br
177.74.81.3	PTR	177-074-081-003.fokusnet.com.br
177.74.81.67	PTR	177-074-081-067.fokusnet.com.br