Robtex

Up: 84.17.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.17.64.0/23
Down right: 84.17.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.17.65.21	A	ucuzabilet.com
84.17.65.22	A	ubfly.com
84.17.65.29	A	posta.enkaygroup.com
84.17.65.162	PTR	mail.kiel.com.tr
84.17.65.165	PTR	mail.fompak.com.tr
84.17.66.3	A	jeanpierrewybauw.com
84.17.66.3	A	mail.jeanpierrewybauw.com
84.17.66.49	PTR	websql.turcom.com.tr
84.17.66.49	A	tibbibitkilerbahcesi.net
84.17.66.49	A	trcmobil.com
84.17.66.171	A+PTR	posta.avm.com.tr
84.17.66.171	A	mail.avm.com.tr
84.17.66.186	A	mail.ustunberkbordro.com
84.17.66.197	PTR	host-84-17-66-197.parkyeri.net
84.17.66.217	PTR	host-84-17-66-217.kartaca.net
84.17.66.232	PTR	ns1.kartaca.net
84.17.66.250	PTR	host-84-17-66-250.kartaca.net
84.17.67.19	A+PTR	mail.total.com.tr
84.17.67.51	PTR	mail.petline.com.tr