Robtex

Up: 212.15.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.15.8.0/25
Down right: 212.15.8.128/25
(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