Robtex

Up: 37.77.10.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.77.10.0/25
Down right: 37.77.10.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.77.10.23	A+PTR	ns1.turkkep.com.tr
37.77.10.24	A+PTR	ns2.turkkep.com.tr
37.77.10.51	A	turkkepefatura.com
37.77.10.55	A+PTR	bildirim.turkkep.com.tr
37.77.10.55	PTR	mailgw.turkkep.com.tr
37.77.10.55	A+PTR	destek.turkkep.com.tr
37.77.10.121	A	webmail.hs03.kep.tr
37.77.10.121	A	www.hs03.kep.tr
37.77.10.121	A	hs03.kep.tr
37.77.10.127	A	xn--trkkep-3ya.com.tr
37.77.10.127	A	turkkep.com.tr
37.77.10.127	A	www.turkkep.com.tr
37.77.10.128	A	mail.hs03.kep.tr
37.77.10.140	A	mail.turkkepbulut.com
37.77.10.140	A	turkkepbulut.com
37.77.10.150	A	turkkepedefter.com
37.77.10.152	A	turkkepedefter.com
37.77.10.156	A	mail.turkkepefatura.com
37.77.10.160	A	turkkepearsiv.com
37.77.10.200	A	mail.turkkeponline.com