Robtex

Up: 89.186.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 89.186.32.0/20
Down right: 89.186.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.186.32.1	A	bgp.passepartout.net
89.186.32.7	A	fw2.passepartout.net
89.186.32.10	A	housing.passepartout.net
89.186.32.14	A	border-sw.passepartout.net
89.186.32.33	A+PTR	lo1.passepartout.net
89.186.32.35	A	lo3.passepartout.net
89.186.32.68	A	hosting-sw1.passepartout.net
89.186.32.69	A	hosting-sw2.passepartout.net
89.186.32.70	A	hosting-sw3.passepartout.net
89.186.32.71	A	hosting-sw4.passepartout.net
89.186.33.2	A+PTR	ns1.passepartout.net
89.186.33.6	A+PTR	ntp1.passepartout.net
89.186.33.22	A+PTR	mx.passepartout.net
89.186.33.22	A	mail.sdasanmarino.org
89.186.33.65	A	monitor.passepartout.net
89.186.33.66	A	sensor.passepartout.net
89.186.33.70	A	syslog.passepartout.net
89.186.33.131	A	console.passepartout.net
89.186.34.9	A	lnb02.isp.passepartout.net
89.186.34.50	A+PTR	www.passepartout.net
89.186.34.50	A	passepartout.net
89.186.34.51	A+PTR	www.edupass.it
89.186.34.51	A	passedu.it
89.186.34.52	PTR	www.businesspass.it
89.186.34.101	PTR	web01.isp.passepartout.net
89.186.34.101	A	www.passweb.it
89.186.34.101	A	casamontalbano.it
89.186.34.102	PTR	web02.isp.passepartout.net
89.186.34.129	A	villasangiacomo.net
89.186.34.134	A	lamaisonnette.it
89.186.35.10	PTR	redirect.passepartout.net
89.186.35.10	A	passepartouthotels.it
89.186.35.10	A	pass3000.eu
89.186.35.11	PTR	www.businesspass.it
89.186.36.2	A+PTR	ns2.passepartout.net
89.186.36.6	A+PTR	ntp2.passepartout.net
89.186.36.100	A	backup-dp.passepartout.net
89.186.36.137	A	trsprx.passepartout.net
89.186.36.139	A+PTR	vmwebma.passepartout.net
89.186.36.141	A	vmweb01.passepartout.net
89.186.36.142	A	vmweb02.passepartout.net
89.186.37.21	A	xmpp-front01.passepartout.net
89.186.39.40	A	mx.passcom.it
89.186.39.51	A+PTR	supporto.passepartout.sm
89.186.39.52	A+PTR	appverify.passepartout.sm
89.186.39.53	A+PTR	posta.passepartout.sm
89.186.39.64	A+PTR	srv-welcome.passepartout.sm
89.186.39.72	A+PTR	liveud.passepartout.sm
89.186.39.74	A	ftp.passepartout.sm
89.186.39.75	A	mx.paymatic.net
89.186.39.129	A	bp-processi-00.passepartout.sm
89.186.39.130	A	bp-processi-01.passepartout.sm
89.186.39.152	A	caronte.passcom.it
89.186.39.160	A	passcom.it
89.186.39.160	A	valhalla.passcom.it
89.186.39.166	A	bp-processi-16.passepartout.sm
89.186.40.26	A	glisharpeidimarinoelisa.com
89.186.40.33	PTR	ceccalb.housing.passepartout.net
89.186.40.33	A	server.omniverse.sm
89.186.40.49	A+PTR	bilanci.cc.sm
89.186.40.52	A	registroimprese.cc.sm
89.186.40.57	A	4guest.net