Robtex

Up: 131.255.142.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 131.255.142.0/25
Down right: 131.255.142.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
131.255.142.2	A	ns1.vn1.net.br
131.255.142.2	A	ns1.vipi2.online
131.255.142.2	A	ns1.venus1.net.br
131.255.142.3	A	ns2.vipi2.online
131.255.142.3	A	ns2.vn1.net.br
131.255.142.3	A	vipi2.online
131.255.142.4	A	mdzz12.venus1.net.br
131.255.142.26	PTR	mta.compreagorapelanet.info
131.255.142.40	PTR	host40.disparabr.com.br
131.255.142.52	A	imediato4.com.br
131.255.142.52	A	net0.imediato4.com.br
131.255.142.52	A	ns1.imediato4.com.br
131.255.142.53	A	ns2.imediato4.com.br
131.255.142.53	A	net1.imediato4.com.br
131.255.142.60	A	ns1.filao.net.br
131.255.142.60	A	www.filao.net.br
131.255.142.60	A	filao.net.br
131.255.142.61	A	ns2.filao.net.br
131.255.142.61	A	guga1.filao.net.br
131.255.142.83	A	blog.comprerapidonanet.email
131.255.142.91	PTR	mta.comprecomseguranca.online
131.255.142.100	A	www.barbera.net.br
131.255.142.100	A	barbera.net.br
131.255.142.113	A	mail.abpro.info
131.255.142.113	A	ns1.abpro.info
131.255.142.113	A	abpro.info
131.255.142.114	A	ns2.abpro.info
131.255.142.153	PTR	mta.economiadeverdade.email
131.255.142.161	PTR	www.maquin3nha-on6ine.xyz
131.255.142.161	A	mail.comprebembarato.email
131.255.142.162	PTR	www.on0ine5seguro.xyz
131.255.142.162	A	mail.comprebembarato.email
131.255.142.168	PTR	mail.onl0ne-1ag.xyz
131.255.142.175	PTR	localhost
131.255.142.177	A	maravilha-online.com
131.255.142.177	A	ns1.maravilha-online.com
131.255.142.177	A	mail.maravilha-online.com
131.255.142.178	A	ns2.maravilha-online.com
131.255.142.197	A	mnks.info
131.255.142.197	A	ks58.mnks.info
131.255.142.197	A	mail.mnks.info
131.255.142.209	A	mail.e-comunications.com