Robtex

Up: 212.2.216.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 212.2.216.0/26
Down right: 212.2.216.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.2.216.0	PTR	net.doruk.net.tr
212.2.216.18	A+PTR	mx2.kaleaero.com
212.2.216.18	A	mx2.kalearge.com.tr
212.2.216.26	A+PTR	mail.silamagro.com
212.2.216.34	PTR	mx2.kaleaero.com
212.2.216.36	A	mail2.turevpiyasalar.com
212.2.216.59	PTR	mail.istka.org.tr
212.2.216.59	A	mail.invest.istanbul
212.2.216.60	A	istka.org.tr
212.2.216.61	PTR	mail.invest.istanbul
212.2.216.61	A	invest.ist
212.2.216.61	A	invest.istanbul
212.2.216.126	A	renovaconsulting.com.tr
212.2.216.126	A	medyasoft.digital
212.2.216.126	A	mail.renovacons.com