Robtex

Up: 212.15.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 212.15.8.0/22
Down right: 212.15.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.15.8.5	PTR	mail.embil.net
212.15.8.35	A+PTR	mail.granitas.com
212.15.8.54	PTR	mail.adriyatikgemi.com
212.15.8.54	PTR	mail.pasifikgemi.com
212.15.8.54	PTR	mail.kiran.com.tr
212.15.8.100	PTR	mail2.midas.com.tr
212.15.8.100	A	mail.midas.com.tr
212.15.8.148	PTR	mail.orioninvestment.com.tr
212.15.8.152	A+PTR	mail.osmanlimenkul.com.tr
212.15.8.152	A	mail.osmanliportfoy.com.tr
212.15.8.154	A+PTR	mail.iktisatyatirim.com.tr
212.15.8.195	A+PTR	exchclu1.caktekstil.com.tr
212.15.8.196	A	exchclu2.caktekstil.com.tr
212.15.8.197	A	exchclu3.caktekstil.com.tr
212.15.8.202	A	cakogluyapi.com
212.15.9.5	A+PTR	mail.strateji.com.tr
212.15.9.5	A	mail.stratejiportfoy.com
212.15.9.5	A	mail.stratejiportfoy.com.tr
212.15.9.140	A	stratejiportfoy.com
212.15.9.213	A	mediterra.co.uk
212.15.9.214	A+PTR	neopark.co.uk
212.15.9.214	A+PTR	www.neopark.co.uk
212.15.9.240	PTR	mail.strateji.com.tr
212.15.9.249	A+PTR	www.strateji.com.tr
212.15.9.250	A	www.stratejionline.com
212.15.9.251	A	stratejisecurities.com
212.15.10.124	A+PTR	mail.sunjut.com
212.15.10.124	A+PTR	mail.sunjut.com.tr
212.15.10.124	A+PTR	sun8.sunjut.com.tr
212.15.10.126	A	sales.sunjut.com
212.15.10.146	A	sesteklisans.com
212.15.10.150	PTR	webmail.sestek.com.tr
212.15.10.162	A+PTR	mail.kimteks.com.tr
212.15.10.170	PTR	mail.orjin.com.tr
212.15.10.171	A	mail.zkzy.com.tr
212.15.10.172	A	mail.orta.com.tr
212.15.10.178	A	eurofinansmenkul.com
212.15.10.178	A	euroyatirim.com.tr
212.15.10.178	A	aractakamera.com
212.15.10.227	PTR	mail.electroworld.com.tr
212.15.11.25	PTR	mail.arabturkbank.com
212.15.11.25	PTR	mail.atbank.com.tr
212.15.11.25	A	mail2.arapturkbank.com.tr
212.15.11.27	PTR	elink.arabturkbank.com
212.15.11.27	A	elink2.arabturkbank.com
212.15.11.28	A	atbbackup.arabturkbank.com
212.15.11.71	PTR	mail.elginkan.com.tr
212.15.11.72	PTR	www.dataselist.com.tr
212.15.11.74	PTR	emarservis.com
212.15.11.74	PTR	mail.emarservis.com
212.15.11.74	PTR	mail1.emarservis.com
212.15.11.81	PTR	mail2.elmor.com.tr
212.15.11.81	A	mail.dmservis.com
212.15.11.98	PTR	mail.emarservis.com
212.15.11.98	PTR	mail.emarservis.com.tr
212.15.11.103	PTR	mx.elba.com.tr
212.15.11.103	PTR	mail.odoksan.com.tr
212.15.11.103	PTR	mail.serel.com.tr
212.15.11.122	PTR	mail.emarservis.com
212.15.11.195	PTR	mail.erak.com
212.15.11.195	A	mail.mavicard.com
212.15.11.210	PTR	spectrummedya.com.tr
212.15.11.211	PTR	spectrummedya.com.tr
212.15.11.243	PTR	mail.centraltr.com
212.15.11.245	A+PTR	taylan.com
212.15.12.2	A	mail.nerfe.com
212.15.12.20	PTR	mail.bimekslogistics.com
212.15.12.20	A+PTR	mail.bursagumrukleme.com
212.15.12.20	A+PTR	mail.gumrukhizmetleri.com
212.15.12.72	A	gouwucz88.com
212.15.12.132	A	mail.bankapital.com.tr
212.15.12.140	A	www.oytek.cc
212.15.14.5	PTR	mail.bayindir.com
212.15.14.120	PTR	mail.brt.com.tr
212.15.14.138	PTR	www.brt.com.tr
212.15.15.130	PTR	www.takasbank.com.tr
212.15.15.131	PTR	mail.takasbank.com.tr
212.15.15.210	A	mail.yontemprofesyonel.com
212.15.15.210	A	mail.engingroup.net
212.15.15.210	A	mail.yontemas.com