Robtex

Up: 31.145.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.145.4.0/25
Down right: 31.145.4.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.145.4.24	PTR	mail.oyakpazarlama.com.tr
31.145.4.24	PTR	mail.oypa.com.tr
31.145.4.24	PTR	mail.oytur.com.tr
31.145.4.25	PTR	mail.oyakpazarlama.com.tr
31.145.4.25	PTR	mail.oypa.com.tr
31.145.4.25	PTR	mail.oytur.com.tr
31.145.4.26	PTR	mail.oyakpazarlama.com.tr
31.145.4.26	PTR	mail.oypa.com.tr
31.145.4.26	PTR	mail.oytur.com.tr
31.145.4.27	PTR	mail.oyakpazarlama.com.tr
31.145.4.27	PTR	mail.oypa.com.tr
31.145.4.27	PTR	mail.oytur.com.tr
31.145.4.28	PTR	mail.oyakpazarlama.com.tr
31.145.4.28	PTR	mail.oypa.com.tr
31.145.4.28	PTR	mail.oytur.com.tr
31.145.4.29	PTR	mail.oyakpazarlama.com.tr
31.145.4.29	PTR	mail.oypa.com.tr
31.145.4.29	PTR	mail.oytur.com.tr
31.145.4.30	PTR	mail.oyakpazarlama.com.tr
31.145.4.30	PTR	mail.oypa.com.tr
31.145.4.30	PTR	mail.oytur.com.tr
31.145.4.31	PTR	mail.oyakpazarlama.com.tr
31.145.4.31	PTR	mail.oypa.com.tr
31.145.4.31	PTR	mail.oytur.com.tr
31.145.4.90	A	vpn.hatempaper.com
31.145.4.91	A	metro.hatempaper.com
31.145.4.97	A+PTR	atlas.yatirimbank.com.tr
31.145.4.97	A+PTR	mail.yatirimbank.com.tr
31.145.4.97	PTR	mail2.yatirimbank.com.tr
31.145.4.102	A	pashabank.com.tr
31.145.4.200	A+PTR	posta.defacto.com.tr
31.145.4.200	A	mail.defactoteknoloji.com.tr
31.145.4.200	A	mail.efruzgiyim.com
31.145.4.217	PTR	posta.defacto.com.tr
31.145.4.217	A	mail.defactoteknoloji.com
31.145.4.227	A+PTR	mail.demirhayat.com.tr
31.145.4.229	A	www.demirhayat.com.tr
31.145.4.229	A	demirhayat.com.tr
31.145.4.235	A	demirsaglik.com.tr
31.145.4.235	A	www.demirsaglik.com.tr