Robtex

Up: 212.57.9.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 212.57.9.0/26
Down right: 212.57.9.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.57.9.2	PTR	mail.pinarbas.com.tr
212.57.9.3	PTR	mail.berkossistem.com
212.57.9.3	PTR	mail.pinarbas.com.tr
212.57.9.9	PTR	hosting.berkossistem.com
212.57.9.9	A	kartuscu.com
212.57.9.9	A	kartussatis.com
212.57.9.10	PTR	mail.berkossistem.com
212.57.9.10	A	mail.er-saplastik.com.tr
212.57.9.10	A	mail.wtcunion.com
212.57.9.13	PTR	bulten.berkossistem.com
212.57.9.13	A	fikirbulutu.com.tr
212.57.9.34	PTR	host-212-57-9-34.reverse.superonline.net
212.57.9.50	PTR	host-212-57-9-50.reverse.superonline.net
212.57.9.110	A+PTR	posta.avivasigorta.com.tr
212.57.9.110	A	posta.aviva.com.tr
212.57.9.122	PTR	host-212-57-9-122.reverse.superonline.net
212.57.9.126	PTR	host-212-57-9-126.reverse.superonline.net