Robtex

Up: 212.2.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 212.2.216.0/22
Down right: 212.2.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.2.216.0	PTR	net.doruk.net.tr
212.2.216.18	A+PTR	mx2.kaleaero.com
212.2.216.18	A	mx2.kalearge.com.tr
212.2.216.26	A+PTR	mail.silamagro.com
212.2.216.34	PTR	mx2.kaleaero.com
212.2.216.36	A	mail2.turevpiyasalar.com
212.2.216.59	PTR	mail.istka.org.tr
212.2.216.59	A	mail.invest.istanbul
212.2.216.60	A	istka.org.tr
212.2.216.61	PTR	mail.invest.istanbul
212.2.216.61	A	invest.ist
212.2.216.61	A	invest.istanbul
212.2.216.126	A	renovaconsulting.com.tr
212.2.216.126	A	medyasoft.digital
212.2.216.126	A	mail.renovacons.com
212.2.216.224	A+PTR	tmx.tikle.com
212.2.216.225	A	ns2.tikle.com
212.2.217.27	A+PTR	mail.odin.com.tr
212.2.217.34	A+PTR	pa.alkhaircapital.com.tr
212.2.217.37	A+PTR	mail.alkhaircapital.com.tr
212.2.217.37	A	websense.unicornportfoy.com.tr
212.2.217.37	A	mail.alkhaircapital.com
212.2.217.42	A	mail.gelalcorap.com
212.2.217.52	A	coreewallet.com
212.2.217.52	A	cordis4net.com
212.2.217.54	A+PTR	mpict.cordisnetwork.com
212.2.217.54	PTR	mpict.paycore.com
212.2.217.54	A	masterpassturkiye.com
212.2.217.81	PTR	drk-bsk.ml-alt.doruk.net.tr
212.2.217.82	PTR	ml-alt.drk-bsk.doruk.net.tr
212.2.217.83	PTR	ml-alt.3c.eth.201.doruk.net.tr
212.2.217.106	A+PTR	mail2.erdem-erdem.av.tr
212.2.217.106	A	mail.erdem-erdem.com
212.2.217.132	A	m.wap25.com
212.2.217.163	A+PTR	mail.cerbagroup.net
212.2.217.163	A	mail.cerbagroup.com
212.2.217.181	PTR	mail.otoplan.com.tr
212.2.217.219	PTR	mail.ateltekstil.com
212.2.217.219	A	sncbulut.com
212.2.217.221	A+PTR	mail2.yonsis.com.tr
212.2.217.221	A	mail.tekramarket.com
212.2.217.227	A+PTR	outgoing.habas.com.tr
212.2.218.0	PTR	net.doruk.net.tr
212.2.218.51	PTR	mail.beymen.com
212.2.218.51	A	mail.beymenclub.com.tr
212.2.218.51	A	mail.blender.com.tr
212.2.218.52	PTR	mail.enews.beymen.com
212.2.218.98	A	bkmonline.net
212.2.218.115	PTR	mail.baharship.com
212.2.218.115	PTR	mail.cmshipping.com
212.2.218.115	PTR	mail.hkalkavan.com
212.2.218.202	A	mail.setmedikal.com.tr
212.2.218.227	PTR	mail.radyoevi.net
212.2.218.227	A	ra.ekspofaktoring.com
212.2.218.227	A	online.ekspofaktoring.com
212.2.218.236	PTR	cardteksps.cardtek.com
212.2.218.236	A	suphesiz.com
212.2.218.242	PTR	mail.coolshark.com
212.2.218.247	PTR	ct950.tedabilisim.net
212.2.218.247	A	garmentor.com.tr
212.2.219.0	PTR	net.doruk.net.tr
212.2.219.12	A	tet-iks.org
212.2.219.12	A	mail.privatelabelturkey.org
212.2.219.12	A	uyeler.immib.org.tr
212.2.219.17	PTR	mail.immib.org.tr
212.2.219.18	A	server.immib.org.tr
212.2.219.18	A	mail.turkishkitchenware.org
212.2.219.19	A	www.buyfromturkey.org
212.2.219.27	A	mail2.immib.org.tr
212.2.219.90	A	mail2.atlantikdnz.com
212.2.219.90	A	mail.atlantikdigital.com
212.2.219.98	A	mail.nacicorap.com
212.2.219.106	PTR	mail.betascammozaik.com
212.2.219.106	A	mail.acacammozaik.com
212.2.219.123	A	dev.vatanbilgisayar.com
212.2.219.124	A+PTR	mail.vatanbilgisayar.com
212.2.219.125	A	mail2.vatanbilgisayar.com
212.2.219.163	A	gabaylar.com
212.2.219.163	A	gabay.com.tr
212.2.219.163	A	gabaylar.com.tr
212.2.219.179	A+PTR	mail.guneydis.com
212.2.219.179	A	mail.e-disdeposu.com
212.2.219.219	PTR	mail2.atlantikdnz.com
212.2.220.0	PTR	net.doruk.net.tr
212.2.220.17	PTR	t-mug.j23.ge.0.0.0.5.doruk.net.tr
212.2.220.18	PTR	t-mug.c28.fa.0.0.5.doruk.net.tr
212.2.220.26	PTR	dyb-t.3c.eth.5.doruk.net.tr
212.2.220.41	PTR	t-gncos-bur.j23.ge.0.0.0.5.doruk.net.tr
212.2.220.49	PTR	t-trb.j23.eth.0.1.doruk.net.tr
212.2.220.57	PTR	t-mug.j23.ge.0.0.1.6.doruk.net.tr
212.2.220.58	PTR	t-mug.c28.fa.0.1.6.doruk.net.tr
212.2.220.65	PTR	isg.vrrp.5.doruk.net.tr
212.2.220.66	PTR	isg.38-1.gi.0.1.5.doruk.net.tr
212.2.220.97	PTR	fra.j.eth.1.10.doruk.net.tr
212.2.220.98	PTR	fra.c38.eth.0.10.doruk.net.tr
212.2.220.105	PTR	gtepe.c26.eth.0.5.doruk.net.tr
212.2.220.106	PTR	gtepe.nort.eth.5.doruk.net.tr
212.2.220.113	PTR	kvc.c8.eth.1.doruk.net.tr
212.2.220.115	PTR	kvc.c28.fa.0.0.1.doruk.net.tr
212.2.220.121	PTR	t-gncos-bur.j23.ge.0.0.1.6.doruk.net.tr
212.2.220.197	PTR	t-sam.c26.eth.0.5.doruk.net.tr
212.2.220.202	PTR	trb-t.3c.eth.5.doruk.net.tr
212.2.220.210	PTR	adn-cml-t.3c.eth.0.5.doruk.net.tr
212.2.220.225	PTR	t-inc-ank.c72.eth.6.0.6.doruk.net.tr
212.2.220.233	PTR	t-inc-ank.c72.eth.2.0.5.doruk.net.tr
212.2.220.234	PTR	t-inc-ank.3c.eth.5.doruk.net.tr
212.2.220.237	PTR	t-inc-ank.as53.eth.5.doruk.net.tr
212.2.220.249	PTR	t-sam.j.eth.1.6.doruk.net.tr
212.2.220.250	PTR	t-sam.c26.eth.1.6.doruk.net.tr
212.2.221.34	A	mail.karacagumrukleme.com
212.2.221.51	A+PTR	mail.kp.k12.tr
212.2.221.51	A	mail.sajev.org.tr
212.2.221.53	A	remote.sajev.org.tr
212.2.221.76	A	mail.redhouse.com.tr
212.2.221.115	A	smtp.ismmmo.org.tr
212.2.221.115	A	smtp.istanbulsmmmodasi.org.tr
212.2.221.116	A	uc.ismmmo.org.tr
212.2.221.116	A	archive.ismmmo.org.tr
212.2.221.120	PTR	mail.ismmmo.org.tr
212.2.221.120	A	smtp.ismmmo.org.tr
212.2.221.120	A	mail.yahyaarikansmmm.com
212.2.221.171	A	earsiv.vatanbilgisayar.com
212.2.221.179	A+PTR	mail.benetton.com.tr
212.2.221.183	A	mail.bnt-bayi.com
212.2.221.214	A	arfsis.com
212.2.221.215	A	cordisnet.com
212.2.221.215	A	paycoredijital.com
212.2.221.215	A	cordisnetwork.com
212.2.221.216	A	cordismfs.com
212.2.221.220	A	bytied.com
212.2.221.244	A+PTR	mailsrv.club-seno.com
212.2.221.244	A	tekelioglu.us
212.2.221.244	A	mail.senoresort.com
212.2.222.55	PTR	mail.interholding.com
212.2.222.55	A	ui.masterpassturkiye.com
212.2.222.216	PTR	mail.sgia.aero
212.2.222.216	A	mail2.sgia.aero
212.2.223.0	PTR	net.doruk.net.tr