Robtex

Up: 83.150.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.150.12.0/25
Down right: 83.150.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.150.12.128	PTR	cleanmail.1solution.ch
83.150.12.131	A	mail.arborag.ch
83.150.12.132	A	mail.1solution.ch
83.150.12.137	A	mail.medicoat.ch
83.150.12.138	A	mail.swissinsurancepartners.com
83.150.12.140	A	mail.arena.ch
83.150.12.170	A	mail.virusad.com
83.150.12.170	A	*.virusad.com
83.150.12.170	A	mail.virusad.ch
83.150.12.186	A	mail.neutrass.ch
83.150.12.186	A	exchange.neutrass.ch
83.150.12.186	A	exchange.neutra-medica.ch
83.150.12.190	PTR	mail.stoupa.com
83.150.12.190	A	www.stoupa.biz
83.150.12.190	A	stoupa.org
83.150.12.218	A+PTR	mail.pfimibern.ch
83.150.12.218	A	pfimi.ch
83.150.12.218	A	mail.pfimi.ch
83.150.12.228	A+PTR	mail.appalooza.ch
83.150.12.228	A	mail.gurtenfestival.ch
83.150.12.228	A	mail.bierhuebeli.ch
83.150.12.234	A	mail.amarone-hugi.ch
83.150.12.234	A	mail.weinreise.ch
83.150.12.234	A	mail.hugiweine.ch