Robtex

Up: 91.83.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 91.83.40.0/23
Down right: 91.83.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.83.40.50	A+PTR	iperf.invitel.net
91.83.40.50	A	iperf.pantel.net
91.83.40.178	A	ibm-bc-fw.aspcenter.hu
91.83.40.182	A+PTR	kikpilot.malev.hu
91.83.40.183	A+PTR	kikluo.malev.hu
91.83.40.184	A	trto.malev.hu
91.83.40.185	A+PTR	kikmail.malev.hu
91.83.40.186	PTR	e-commerce.malev.com
91.83.40.187	A+PTR	kiksimu.malev.hu
91.83.40.188	A+PTR	kikportal.malev.hu
91.83.40.204	A+PTR	www.ikv.hu
91.83.40.204	A	patrik.ikv.hu
91.83.40.204	A	mail.ikv.hu
91.83.40.210	A+PTR	mail.mlsz.hu
91.83.40.212	A	ftp.mlsz.hu
91.83.40.213	A+PTR	szertar.mlsz.hu
91.83.40.214	A+PTR	t-mobile.mlsz.hu
91.83.40.235	A+PTR	sportagvalaszto.smtp.hu
91.83.40.251	PTR	univerzum-cms.servergame.hu
91.83.41.4	PTR	mail.bzaka.hu
91.83.41.4	PTR	penguin.bzaka.hu
91.83.41.4	A	www.bayati.hu
91.83.41.20	A+PTR	jupiter2.bzaka.hu
91.83.41.39	A+PTR	eliza.ikti.hu
91.83.41.39	A	mail.mytraffic.hu
91.83.41.39	A	mail.ikti.hu
91.83.41.84	A+PTR	fcd2.ikti.hu
91.83.41.120	A+PTR	mail.bayzoltan.hu
91.83.41.125	A	av.bzaka.hu
91.83.41.141	A+PTR	officetech.hu
91.83.41.141	A	mail.officetech.hu
91.83.41.145	PTR	fixconnect.inno.bayzoltan.hu
91.83.41.145	A	mail.worldofhorseselling.com
91.83.41.145	A	worldofsellinghorse.com
91.83.41.152	A+PTR	mail.nomi.hu
91.83.41.165	A+PTR	emerald.hu
91.83.41.165	A	mail.emerald.hu
91.83.41.166	PTR	mail.levenet.hu
91.83.41.166	A	mail.biss.hu
91.83.41.166	A	biss.hu
91.83.41.184	A	mytraffic.hu
91.83.41.184	A	www.mytraffic.hu
91.83.43.66	PTR	afg.hu
91.83.43.66	A	www.afg.hu
91.83.43.66	A	myip.afg.sulinet.hu