Robtex

Up: 198.17.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.17.120.0/25
Down right: 198.17.120.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.17.120.3	A+PTR	ns4.bnb.gov.br
198.17.120.3	PTR	ns4.bnb.gov.br.bnb.com.br
198.17.120.3	PTR	ns3.bnb.com.br.bnb.com.br
198.17.120.34	A+PTR	nel.bnb.gov.br
198.17.120.37	A+PTR	d001int02.bnb.gov.br
198.17.120.37	PTR	d001int10.bnb.gov.br
198.17.120.40	PTR	correio.bnb.gov.br.120.17.198.in-addr.arpa
198.17.120.40	A	movel.bnb.gov.br
198.17.120.40	A	adcms.bnb.gov.br
198.17.120.41	A+PTR	d001dns01.bnb.gov.br
198.17.120.42	A	ac.bnb.gov.br
198.17.120.43	A+PTR	d001dns03.bnb.gov.br
198.17.120.44	A+PTR	d001smt14.bnb.gov.br
198.17.120.50	PTR	d001inv05.bnb.gov.br
198.17.120.50	A+PTR	bancodonordeste.gov.br
198.17.120.50	A+PTR	bnb.com.br
198.17.120.51	PTR	passare.bnb.gov.br.bnb.gov.br
198.17.120.51	A	passare.bnb.gov.br
198.17.120.159	A+PTR	s1smgp09.bnb.gov.br