Robtex

Up: 90.158.120.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 90.158.121.0/25
Down right: 90.158.121.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
90.158.121.36	PTR	smtp-1.cozumdestek.web.tr
90.158.121.36	A	turkishexportdirectory.com
90.158.121.36	A	mail.ayen.com.tr
90.158.121.37	PTR	smtp-2.cozumdestek.web.tr
90.158.121.37	A	www.dedektiflik.com
90.158.121.37	A	www.cansuenerji.com
90.158.121.38	PTR	smtp-3.cozumdestek.web.tr
90.158.121.65	A	cgwank.duzen.com.tr
90.158.121.76	PTR	mail.duzen.com.tr
90.158.121.210	A	mesa-dns.mesa.com.tr