Robtex

Up: 212.57.14.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.57.15.0/25
Down right: 212.57.15.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.57.15.34	PTR	host-212-57-15-34.reverse.superonline.net
212.57.15.34	A	tekpara.com
212.57.15.38	A	mail.tekpara.com
212.57.15.43	PTR	asy43.asy15.tellcom.com.tr
212.57.15.43	A	mail.bezenpartners.com
212.57.15.43	A	bezenpartners.com
212.57.15.51	A+PTR	mail.acp.com.tr
212.57.15.51	A	sgw.acp.com.tr
212.57.15.106	A+PTR	mail.has-group.com.tr
212.57.15.106	A	mail.has-group.com
212.57.15.107	PTR	asy107.asy15.tellcom.com.tr
212.57.15.107	A	mail.hastrade.com
212.57.15.108	A+PTR	mail.e-kare.com
212.57.15.123	PTR	asy123.asy15.tellcom.com.tr
212.57.15.123	A	mail.cetinas.com.tr
212.57.15.125	A+PTR	mail.civtec.com.tr
212.57.15.125	A	mail.cetinas.com.tr
212.57.15.125	A	mail.mertsom.com.tr
212.57.15.126	PTR	host-212-57-15-126.reverse.superonline.net
212.57.15.126	A	cetin.com.tr
212.57.15.126	A	mertsom.com.tr
212.57.15.174	A	pbx.cbtele.com
212.57.15.195	PTR	host-212-57-15-195.reverse.superonline.net