Robtex

Up: 212.252.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.252.32.0/25
Down right: 212.252.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.252.32.2	PTR	hosting-sw.srv50.net
212.252.32.12	PTR	host-dn2.srv50.net
212.252.32.15	PTR	mail.srv25.com
212.252.32.15	PTR	mail.srv50.net
212.252.32.15	A	mail.tubatacan.com
212.252.32.19	PTR	host-w1.srv50.net
212.252.32.19	A	manatest.com
212.252.32.20	A	tribaltest.com
212.252.32.20	A	kssisbank.com
212.252.32.232	A	ftp.ddb.com.tr
212.252.32.233	PTR	smtp.ddbtr.com
212.252.32.233	A	smtp.istanbul.ddb.com
212.252.32.233	A	smtp.ddb.com.tr
212.252.32.236	A+PTR	mail.ddbtr.com
212.252.32.236	A	mail.grafis.com.tr
212.252.32.236	A	mail.manadigital.com
212.252.32.244	A	theloneliestemoji.com
212.252.32.251	A	www.ddb.com.tr
212.252.32.251	A	marketier.info
212.252.32.251	A	tribalistanbul.com