Robtex

Up: 213.248.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 213.248.128.0/20
Down right: 213.248.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.248.131.16	A	mail.koluman-otomotiv.com
213.248.131.16	A	mail.almaatatarim.com
213.248.131.16	A	mail.sorgucyapi.com
213.248.132.8	PTR	newmail.ozlerkablo.com.tr
213.248.132.165	PTR	mail.elmob.com
213.248.133.66	A	mail.bandoturkey.com
213.248.135.142	A	play-lucy.com
213.248.135.248	A	bonnadrive.com
213.248.136.134	A	my-chacha.com
213.248.137.26	A	mail.bursawifinet.com
213.248.138.102	A	mail.teknikkumas.com
213.248.140.26	A	ns2.koltukyikattir.com
213.248.140.26	A	ns1.koltukyikattir.com
213.248.140.26	A	koltukyikattir.com
213.248.141.25	A	bugaotis.com.tr
213.248.141.75	A+PTR	latek-int.com
213.248.142.66	PTR	locasis.com
213.248.144.139	A+PTR	mail.toyota-boshokutr.com
213.248.149.100	PTR	osfturkey.com
213.248.150.5	PTR	mail.ka-europe.com
213.248.150.5	PTR	mail.ka.com.tr
213.248.152.95	A	mail2.cebiteks.com
213.248.152.198	A	mail.filma.com.tr
213.248.152.226	PTR	cebiteks.com
213.248.152.226	A	mail2.cebiteks.com
213.248.153.99	PTR	ekoldenizcilik.com.tr
213.248.153.99	A	mailsrv.akademidenizcilik.com
213.248.153.164	PTR	mail2.gedik.com.tr
213.248.153.244	PTR	mail.implicreation.com
213.248.153.244	A	bencilfikir.com
213.248.153.244	A	mail.bencilfikir.com
213.248.154.32	PTR	mail.olguncelik.com.tr
213.248.154.33	A	teknomarketci.com
213.248.156.134	PTR	mail.elumatec.com.tr
213.248.156.239	PTR	mail.ulusaltekstil.com.tr
213.248.157.18	PTR	smtp.mobitek.com
213.248.157.182	PTR	dpexturkey.com
213.248.158.70	PTR	mail.emboy.com
213.248.158.102	PTR	mail.dayen.com.tr
213.248.159.66	PTR	exchange.antivir.com.tr
213.248.159.67	PTR	www.karelkalip.com.tr
213.248.159.101	A	ns1.hafizeana.com
213.248.159.101	A	ozlemcetasarim.com
213.248.159.101	A	ns2.ozlemcetasarim.com