Robtex

Up: 156.80.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 156.82.0.0/16
Down right: 156.83.0.0/16
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
156.83.0.28	A+PTR	vpn-gw.erasmusmc.nl
156.83.0.30	A	av-gw.erasmusmc.nl
156.83.0.30	A	proxy.havenziekenhuis.nl
156.83.0.67	A	gateway-0-67.erasmusmc.nl
156.83.5.5	A	patient-5-5.erasmusmc.nl
156.83.9.9	A	drac-install-emc.erasmusmc.nl
156.83.9.13	A	gb-wn01-emc.erasmusmc.nl
156.83.9.16	A	gb-wn04-emc.erasmusmc.nl
156.83.10.11	A+PTR	rbox1.erasmusmc.nl
156.83.10.12	A+PTR	rbox2.erasmusmc.nl
156.83.10.12	A	mailgate.erasmusmc.nl
156.83.10.13	A+PTR	rbox3.erasmusmc.nl
156.83.10.13	A	mailgate.erasmusmc.nl
156.83.10.14	PTR	rbox4.erasmusmc.nl
156.83.10.30	A	autodiscover.erasmusmc.nl
156.83.20.12	A	biosemantics.org
156.83.20.12	A	bubbles.biosemantics.org
156.83.20.12	A	biosemantics.com
156.83.21.32	PTR	topdesk.havenziekenhuis.nl
156.83.21.32	PTR	topdesktest.havenziekenhuis.nl
156.83.21.32	A	mail.havenziekenhuis.nl
156.83.27.5	A+PTR	papps1-uro.erasmusmc.nl
156.83.27.5	A	gatcplatform.nl
156.83.27.5	A	*.gatcplatform.nl
156.83.27.8	PTR	cbg7.erasmusmc.nl
156.83.31.3	A+PTR	ftp.erasmusmc.nl
156.83.37.5	A	svn.erasmusmc.nl
156.83.37.6	A	mx1.lbge.nl
156.83.37.6	A	caprimonitor.nl
156.83.37.6	A	survey.erasmusmc.nl
156.83.60.14	A	pandora.erasmusmc.nl
156.83.60.14	A	pandora-01.erasmusmc.nl
156.83.60.80	A+PTR	wwwdienst1.erasmusmc.nl
156.83.100.144	A+PTR	abox.erasmusmc.nl
156.83.252.153	A	ns.azr.nl
156.83.252.253	A	ns2.azr.nl
156.83.253.30	A+PTR	webstat.erasmusmc.nl
156.83.253.32	PTR	mail.erasmusmc.nl
156.83.253.32	PTR	exchgate.erasmusmc.nl
156.83.253.32	A+PTR	autodiscover.erasmusmc.nl
156.83.254.8	A+PTR	gateway.azr.nl