Robtex

Up: 80.250.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 80.250.128.0/21
Down right: 80.250.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.250.128.5	A+PTR	ns.aareon-ag.com
80.250.128.5	PTR	mail.aareon.com
80.250.128.5	A+PTR	ns.aareon.com
80.250.128.6	PTR	ns2.aareon-ag.com
80.250.128.6	PTR	mail2.aareon.com
80.250.128.6	PTR	ns2.aareon.com
80.250.128.7	PTR	mailgw1.aareon.com
80.250.128.27	A+PTR	mailgw3.aareon.com
80.250.128.28	A+PTR	mailgw4.aareon.com
80.250.128.211	A+PTR	sva6.aareon.com
80.250.128.219	A	sva4.aareon.com
80.250.128.221	A	sva2.aareon.com
80.250.129.6	A	wwwges.aareon.com
80.250.129.12	A	mareon.com
80.250.129.12	A	mareon.de
80.250.129.12	A	www.mareon.com
80.250.129.17	A	www.aareon-ag.com
80.250.129.17	A	aareon-kongress.com
80.250.129.17	A	aareon.com
80.250.129.35	A	www.immoblue.de
80.250.129.35	A	mail.immoblue.de
80.250.129.35	A	immoblue.de
80.250.129.37	A	immoblueplus.de
80.250.129.54	A	aareon.no
80.250.129.54	A	www.aareon.no
80.250.129.55	A	aareon.se
80.250.129.55	A	www.aareon.se
80.250.129.89	A	crmportal.aareon.com
80.250.129.89	A	myswb.ruhr
80.250.129.152	A	kautionspartner.org
80.250.129.152	A	kautionspartner.net
80.250.129.152	A	kautionspartner.de
80.250.129.165	A	first-financial.biz
80.250.129.165	A	deutsche-kautionspartner.de
80.250.129.165	A	www.first-financial.biz
80.250.129.190	A	bk01kom.first-financial.biz
80.250.140.30	A	uwva.facilitor.nl
80.250.140.138	A	placedesfournisseurs.fr
80.250.140.138	A	www.monpromologis.fr
80.250.140.138	A	monpromologis.fr
80.250.140.146	A	www.mijndunavie.nl
80.250.140.146	A	mijndunavie.nl
80.250.142.10	PTR	mailer.xpandcloud.com
80.250.142.10	A	www.phi-consulting.de
80.250.142.10	A	phi-consulting.eu
80.250.142.14	PTR	internetges.aareon.com
80.250.142.27	A	virtual.immoport.aareon-wodis.com
80.250.142.31	A	mail.vhw-hamburg.de
80.250.142.93	A	vdi.aareon.com
80.250.142.94	A	vdi.aareon.com