Robtex

Up: 213.243.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.243.8.0/25
Down right: 213.243.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.243.8.7	PTR	mail.akfen.com.tr
213.243.8.8	PTR	dns.akfen.com.tr
213.243.8.46	A+PTR	dtesenerji.com
213.243.8.46	A+PTR	mail.galatawindenerji.com
213.243.8.46	PTR	milpa.com.tr
213.243.8.47	A+PTR	mail.bolkarmaden.com.tr
213.243.8.47	A+PTR	mail.dtesenerji.com.tr
213.243.8.48	PTR	mail.doganenerji.com
213.243.8.48	PTR	smtp1.doganholding.com
213.243.8.48	A+PTR	ortadoguoto.com.tr
213.243.8.60	A+PTR	mydmg.net
213.243.8.60	A	mx1.mydmg.net
213.243.8.65	A+PTR	galatawind.doganenerji.com
213.243.8.75	PTR	mail.isilevents.com
213.243.8.75	A+PTR	mail.milta.com
213.243.8.75	PTR	posta.milta.com
213.243.8.79	A+PTR	dogantech.com
213.243.8.79	PTR	dogantek.com
213.243.8.79	A+PTR	www.dogantech.com
213.243.8.81	A	hukuktest.hurriyet.com.tr
213.243.8.114	A+PTR	webmail.organiktarim.com.tr
213.243.8.114	A+PTR	mail.organiktarim.com.tr