Robtex

Up: 81.16.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.16.152.0/22
Down right: 81.16.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.16.152.18	PTR	nsn-wan-main.nextlayer.net
81.16.152.38	PTR	xidras-sec-gw.customers.nextlayer.at
81.16.152.245	A	jaeger.abaton.at
81.16.152.254	A	fpoe-kammerreform.at
81.16.152.254	A	pro-mittelstand.at
81.16.153.51	A+PTR	mail.palmers.at
81.16.153.162	PTR	email.gep.at
81.16.153.164	A+PTR	email.gep.at
81.16.153.164	A	mail.gep.at
81.16.153.164	A	grendizer.gep.at
81.16.153.187	A+PTR	trunk.innofon.at
81.16.153.190	A+PTR	billing.innofon.at
81.16.153.190	A	mail.innofon.at
81.16.153.190	A	innofon.at
81.16.154.181	A+PTR	mx1.ofid.org
81.16.154.182	A+PTR	mx2.ofid.org
81.16.154.195	A	ofid.info
81.16.154.195	A	ofid.net
81.16.154.195	A	opecfund.org
81.16.155.15	A	pro.live
81.16.155.26	A	yelster.at
81.16.155.26	A	www.yelsterdigital.com
81.16.155.26	A	wagnermarkus.com
81.16.155.27	PTR	mail.yelsterdigital.com
81.16.155.30	PTR	mail.123people.com
81.16.155.30	A	123people.us
81.16.155.32	A	123people.us
81.16.155.36	A	reporama.ch
81.16.155.36	A	reporama.com
81.16.155.37	A	www.123pages.at
81.16.155.40	PTR	www.tripwolf.com
81.16.155.40	A	tripwolf.net
81.16.155.40	A	tipwolf.com
81.16.155.52	A	webremover.com
81.16.155.60	A	www.123pages.es
81.16.155.60	A	123pages.es
81.16.155.62	A	sites.pagesjaunes.fr
81.16.155.65	A+PTR	cmail.yelsterdigital.com
81.16.155.65	A	mx02.cmail.yelsterdigital.com
81.16.155.68	A	cmail.yelster.org
81.16.155.71	A	leschueftart.com
81.16.155.77	A	test-https2.com
81.16.155.77	A	test-https1.com
81.16.155.77	A	test-https4.com
81.16.155.111	A	site-privilege.pagesjaunes.fr
81.16.155.112	A	www.yelsterdigital.com
81.16.155.112	A	autovision-controle-technique.fr
81.16.155.112	A	serrurier-richard-fils.fr
81.16.155.152	A	perl.hu
81.16.155.154	A	123people.biz
81.16.155.154	A	123people.info
81.16.155.154	A	123people.org
81.16.155.174	A	testsp2.com
81.16.155.174	A	foo-bar2.com
81.16.155.200	A	toulouse-miroiterie.com
81.16.155.200	A	toulouse-miroiterie.fr
81.16.155.200	A	buchboeck.at
81.16.155.210	A	vidangesvancoillie.com
81.16.155.210	A	demenagementsjean-pierremorilleefils.fr
81.16.155.210	A	pharmacie-vauban.com
81.16.155.220	A+PTR	mx01.site-privilege.pagesjaunes.fr
81.16.155.221	A+PTR	mx02.site-privilege.pagesjaunes.fr
81.16.155.222	A+PTR	mx03.site-privilege.pagesjaunes.fr
81.16.157.0	PTR	network.rtr.customers.nextlayer.at
81.16.157.2	A+PTR	mail.rtr.at
81.16.157.2	A	mail.rtr.gv.at
81.16.157.2	A	mail.signatur.rtr.at
81.16.157.3	PTR	ip3.rtr.customers.nextlayer.at
81.16.157.3	A	rtr.at
81.16.157.4	A	rtr.at
81.16.157.19	A+PTR	ns1.rtr.at
81.16.157.19	A	ns1.rtr.gv.at
81.16.157.25	PTR	ip25.rtr.customers.nextlayer.at
81.16.157.36	A	rtr.gv.at
81.16.157.59	PTR	ip59.rtr.customers.nextlayer.at
81.16.157.132	A	www.signatur.rtr.at
81.16.157.132	A	signatur.rtr.at
81.16.157.179	PTR	ip179.rtr.customers.nextlayer.at
81.16.158.12	A	mail4.descience.net
81.16.158.26	PTR	mail.i5invest.com
81.16.158.26	A	i5venture.com
81.16.158.26	A	i5incubate.com
81.16.158.34	A+PTR	mx1.paysafecard.com
81.16.158.42	A+PTR	mx3.paysafecard.com
81.16.158.72	PTR	mail.szero.at
81.16.158.72	A	szero.at
81.16.158.106	PTR	srvsql01-2.rebeat.nextlayer.at
81.16.158.106	A	artistcamp.com
81.16.158.106	A	rbworld.net
81.16.158.138	A+PTR	exchange.paradine.at
81.16.158.154	PTR	mail.phonecash.tv
81.16.158.154	A	*.phonecash.tv
81.16.158.154	A	telefonsex.cm
81.16.158.156	PTR	storage.phonecash.tv
81.16.159.9	A	konzerthaus.or.at
81.16.159.70	A+PTR	mx.prosiebensat1puls4.com
81.16.159.70	A	mail2.puls4.com
81.16.159.70	A	mail2.prosiebensat1puls4.com
81.16.159.138	A	bifon.co.at
81.16.159.150	A	mail.musikfest.at
81.16.159.226	PTR	mail.oebv.at
81.16.159.226	A	mail.oewb.at
81.16.159.226	A	mail.oebvhpt.at
81.16.159.232	A	oebvinfo.at
81.16.159.232	A	mail.oebvinfo.at