Robtex

Up: 142.0.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 142.0.47.0/25
Down right: 142.0.47.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
142.0.47.3	PTR	mail.siberdisk.com
142.0.47.3	A	tenash.com
142.0.47.36	PTR	mail1.anunciouachou.com.br
142.0.47.37	PTR	mail2.anunciouachou.com.br
142.0.47.45	PTR	mail10.anunciouachou.com.br
142.0.47.45	A	ns1.lyncserver.ir
142.0.47.47	PTR	mail12.anunciouachou.com.br
142.0.47.66	PTR	mail.sdns2.com.br
142.0.47.92	A	ns2.hostnocost.com
142.0.47.115	A	mail.apsh.ir
142.0.47.115	A	mail.cyrusoft.net
142.0.47.115	A	mail.mashhadseminar.com
142.0.47.147	A	aram-gostar.com
142.0.47.147	A	mail.09121225063.com
142.0.47.147	A	mail.moderncaspian.com