Robtex

Up: 217.221.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 217.221.56.0/22
Down right: 217.221.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.221.58.16	PTR	217-221-58-16-static.albacom.net
217.221.58.67	PTR	217-221-58-67-static.albacom.net
217.221.58.70	A	mail.yabe.it
217.221.58.70	A	mail.emakgroup.com
217.221.58.70	A	mail.oleomac.it
217.221.58.72	A	mail.raico.it
217.221.58.122	PTR	217-221-58-122-static.albacom.net
217.221.58.122	A	mx1.meverin.com
217.221.58.122	A	mail.meverin.com
217.221.58.130	A+PTR	mail.flo.eu
217.221.58.155	A+PTR	mail.scatsandra.com
217.221.58.156	A	mail.scatsandra.com
217.221.58.162	PTR	217-221-58-162-static.albacom.net
217.221.58.162	A	mail2.metisoft.it
217.221.58.165	A	hitachiservice.it
217.221.58.165	A	m-c-srl.it
217.221.58.173	A	vserver.professionalteam.net
217.221.58.194	PTR	217-221-58-194-static.albacom.net
217.221.58.194	A	vpn.copra.it
217.221.58.195	PTR	217-221-58-195-static.albacom.net
217.221.58.195	A	pop3.copra.it
217.221.58.195	A	webmail.copra.it
217.221.58.196	A	mx.copra.it
217.221.58.202	PTR	217-221-58-202-static.albacom.net
217.221.58.202	A	mail.primainfonet.net
217.221.58.218	PTR	mail.c-global.it
217.221.58.218	A	mail1.c-global.it
217.221.58.219	PTR	mail1.c-global.it
217.221.58.219	A	mail.c-global.it
217.221.58.234	A+PTR	mx1.safta.it
217.221.58.234	A	mail.safta.it
217.221.58.234	A	mx.gualapack.com
217.221.59.10	A+PTR	mail.raffaelecaruso.it
217.221.59.10	A	activelink2.raffaelecaruso.net
217.221.59.10	A	mx1.raffaelecaruso.net
217.221.59.11	PTR	mx1.raffaelecaruso.net
217.221.59.11	A	mail.fabbricasartorialeitaliana.org
217.221.59.130	PTR	217-221-59-130-static.albacom.net
217.221.59.130	A	www.windomino.it
217.221.59.130	A	smtp.windomino.it
217.221.59.194	A+PTR	mail.nomisma.it
217.221.59.195	PTR	217-221-59-195-static.albacom.net
217.221.59.195	A	industria2030.com
217.221.59.195	A	nomisma.it
217.221.60.28	A	mail.metalcastello.com
217.221.61.42	PTR	mail.fondazionetoscanini.it
217.221.61.121	PTR	217-221-61-121-static.albacom.net
217.221.61.226	PTR	217-221-61-226-static.albacom.net
217.221.61.226	A	ftp3.geloparma.it
217.221.63.88	PTR	217-221-63-88-static.albacom.net