Robtex

Up: 217.61.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.61.32.0/22
Down right: 217.61.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.61.32.55	PTR	host55-32-61-217.static.dns-aruba.cloud
217.61.32.67	PTR	host67-32-61-217.static.dns-aruba.cloud
217.61.32.72	PTR	host72-32-61-217.static.dns-aruba.cloud
217.61.32.128	PTR	host128-32-61-217.static.dns-aruba.cloud
217.61.32.138	PTR	host138-32-61-217.static.dns-aruba.cloud
217.61.32.152	PTR	host152-32-61-217.static.dns-aruba.cloud
217.61.32.169	PTR	host169-32-61-217.static.dns-aruba.cloud
217.61.32.180	PTR	host180-32-61-217.static.dns-aruba.cloud
217.61.32.192	PTR	host192-32-61-217.static.dns-aruba.cloud
217.61.32.218	PTR	host218-32-61-217.static.dns-aruba.cloud
217.61.33.11	PTR	host11-33-61-217.static.dns-aruba.cloud
217.61.33.33	PTR	host33-33-61-217.static.dns-aruba.cloud
217.61.33.64	PTR	host64-33-61-217.static.dns-aruba.cloud
217.61.33.116	PTR	host116-33-61-217.static.dns-aruba.cloud
217.61.33.192	PTR	host192-33-61-217.static.dns-aruba.cloud
217.61.34.1	PTR	host1-34-61-217.static.dns-aruba.cloud
217.61.34.13	PTR	host13-34-61-217.static.dns-aruba.cloud
217.61.34.62	PTR	host62-34-61-217.static.dns-aruba.cloud
217.61.34.94	PTR	host94-34-61-217.static.dns-aruba.cloud
217.61.34.130	PTR	host130-34-61-217.static.dns-aruba.cloud
217.61.34.155	PTR	host155-34-61-217.serverdedicati.aruba.it
217.61.34.155	A	gewiss.com
217.61.34.163	PTR	host163-34-61-217.serverdedicati.aruba.it
217.61.34.182	PTR	host182-34-61-217.serverdedicati.aruba.it
217.61.34.229	PTR	host229-34-61-217.serverdedicati.aruba.it
217.61.34.249	PTR	host249-34-61-217.serverdedicati.aruba.it
217.61.34.249	A	sparkling18.it
217.61.35.15	PTR	host15-35-61-217.serverdedicati.aruba.it
217.61.35.41	PTR	host41-35-61-217.static.dns-aruba.cloud
217.61.35.55	PTR	host55-35-61-217.static.dns-aruba.cloud
217.61.35.58	PTR	host58-35-61-217.static.dns-aruba.cloud
217.61.35.75	PTR	host75-35-61-217.static.dns-aruba.cloud
217.61.35.79	PTR	host79-35-61-217.static.dns-aruba.cloud
217.61.35.89	PTR	host89-35-61-217.static.dns-aruba.cloud
217.61.35.100	PTR	host100-35-61-217.static.dns-aruba.cloud
217.61.35.108	PTR	host108-35-61-217.static.dns-aruba.cloud
217.61.35.113	PTR	host113-35-61-217.static.dns-aruba.cloud
217.61.35.134	PTR	host134-35-61-217.static.dns-aruba.cloud
217.61.35.146	PTR	host146-35-61-217.static.dns-aruba.cloud
217.61.35.149	PTR	host149-35-61-217.static.dns-aruba.cloud
217.61.35.165	PTR	host165-35-61-217.static.dns-aruba.cloud
217.61.35.169	PTR	host169-35-61-217.static.dns-aruba.cloud
217.61.35.171	PTR	host171-35-61-217.static.dns-aruba.cloud
217.61.35.188	PTR	host188-35-61-217.static.dns-aruba.cloud
217.61.35.191	PTR	host191-35-61-217.static.dns-aruba.cloud
217.61.35.195	PTR	host195-35-61-217.static.dns-aruba.cloud
217.61.35.217	PTR	host217-35-61-217.static.dns-aruba.cloud
217.61.35.220	PTR	host220-35-61-217.static.dns-aruba.cloud
217.61.35.234	PTR	host234-35-61-217.static.dns-aruba.cloud
217.61.36.29	A	mail.netgatespace.com
217.61.36.30	PTR	web.easyplane.it
217.61.36.30	A	saiservizi.it
217.61.36.30	A	easyplanesrl.com
217.61.36.31	PTR	web.connectlife.it
217.61.36.32	PTR	host32-36-61-217.serverdedicati.aruba.it
217.61.36.32	A	ns2.connectlife.it
217.61.36.43	PTR	host43-36-61-217.serverdedicati.aruba.it
217.61.36.52	PTR	host52-36-61-217.serverdedicati.aruba.it
217.61.36.52	A	serv.hostingrent.it
217.61.36.52	A	hostingrent.it
217.61.36.56	A+PTR	dbsrv3.ardesia.it
217.61.36.59	PTR	host59-36-61-217.serverdedicati.aruba.it
217.61.36.69	PTR	host69-36-61-217.serverdedicati.aruba.it
217.61.36.77	PTR	host77-36-61-217.serverdedicati.aruba.it
217.61.36.79	PTR	vpn-bergamo.connectlife.it
217.61.36.91	A+PTR	smtp-01.cloud.sinetrica.it
217.61.36.91	A	ip-01-006.cloud.sinetrica.it
217.61.36.98	PTR	host98-36-61-217.serverdedicati.aruba.it
217.61.36.107	PTR	host107-36-61-217.serverdedicati.aruba.it
217.61.36.107	A	kemak.eu
217.61.36.107	A	kemak.net
217.61.36.115	PTR	host115-36-61-217.serverdedicati.aruba.it
217.61.36.125	PTR	host125-36-61-217.serverdedicati.aruba.it
217.61.36.135	PTR	host135-36-61-217.serverdedicati.aruba.it
217.61.36.163	PTR	host163-36-61-217.serverdedicati.aruba.it
217.61.36.169	A	missnady.it
217.61.36.176	A	mail.8volante.it
217.61.36.210	PTR	host210-36-61-217.serverdedicati.aruba.it
217.61.36.215	PTR	host215-36-61-217.serverdedicati.aruba.it
217.61.36.228	PTR	host228-36-61-217.serverdedicati.aruba.it
217.61.37.12	PTR	ssd4-cpanel.vhosting-it.com
217.61.37.12	A	miavoj.com
217.61.37.12	A	prestigioimmobili.com
217.61.37.14	PTR	76093372.vhosting-it.com
217.61.37.16	A+PTR	mx1.vhostingcloud.com
217.61.37.26	PTR	web.prometeo.vhosting-it.com
217.61.37.26	A	nailarteunghie.it
217.61.37.26	A	coolors.it
217.61.37.28	PTR	host28-37-61-217.serverdedicati.aruba.it
217.61.37.47	PTR	82594229.vhosting-it.com
217.61.37.47	A	silflex.it
217.61.37.47	A	mail.silflex.it
217.61.37.71	PTR	host71-37-61-217.serverdedicati.aruba.it
217.61.37.74	PTR	host74-37-61-217.serverdedicati.aruba.it
217.61.37.92	PTR	host92-37-61-217.static.dns-aruba.cloud
217.61.37.104	PTR	host104-37-61-217.static.dns-aruba.cloud
217.61.37.127	PTR	host127-37-61-217.static.dns-aruba.cloud
217.61.37.134	PTR	host134-37-61-217.static.dns-aruba.cloud
217.61.37.148	PTR	host148-37-61-217.static.dns-aruba.cloud
217.61.37.162	A	mail.stubbekoebing-skole.dk
217.61.37.168	PTR	host168-37-61-217.static.dns-aruba.cloud
217.61.38.5	A+PTR	midaweb05.midaticket.it
217.61.38.16	PTR	host16-38-61-217.static.dns-aruba.cloud
217.61.38.29	PTR	host29-38-61-217.serverdedicati.aruba.it
217.61.38.29	A	ns03.planetel.it
217.61.38.30	PTR	host30-38-61-217.serverdedicati.aruba.it
217.61.38.30	A	ns04.planetel.it
217.61.38.45	PTR	host45-38-61-217.static.dns-aruba.cloud
217.61.38.45	A	ibr.it
217.61.38.45	A	barraproject.it
217.61.38.74	PTR	host74-38-61-217.serverdedicati.aruba.it
217.61.38.90	PTR	host90-38-61-217.static.dns-aruba.cloud
217.61.38.108	PTR	host108-38-61-217.serverdedicati.aruba.it
217.61.38.215	PTR	host215-38-61-217.static.dns-aruba.cloud
217.61.38.218	PTR	host218-38-61-217.static.dns-aruba.cloud
217.61.38.232	A+PTR	cloudscan12.ilger.com
217.61.39.8	PTR	host8-39-61-217.static.dns-aruba.cloud
217.61.39.8	A	mail.sisal.it
217.61.39.33	PTR	host33-39-61-217.static.dns-aruba.cloud
217.61.39.84	PTR	host84-39-61-217.static.dns-aruba.cloud
217.61.39.106	PTR	host106-39-61-217.static.dns-aruba.cloud
217.61.39.141	PTR	host141-39-61-217.static.dns-aruba.cloud
217.61.39.144	PTR	host144-39-61-217.static.dns-aruba.cloud
217.61.39.174	PTR	host174-39-61-217.static.dns-aruba.cloud