Robtex

Up: 217.73.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.73.212.0/23
Down right: 217.73.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.73.212.11	PTR	vs9011.areaserver.it
217.73.212.11	A	posta.ariadsl.it
217.73.212.17	PTR	vhost93.areaserver.it
217.73.212.17	A	ariamax.it
217.73.212.17	A	www.in-aria.it
217.73.212.22	PTR	vhost95.areaserver.it
217.73.212.22	A	esva.ariadsl.it
217.73.212.34	PTR	vs9034.areaserver.it
217.73.212.34	A	mail.latazzadoro.com
217.73.212.34	A	mail.caffekaralis.com
217.73.212.41	PTR	vs9041.areaserver.it
217.73.212.41	A	michelevodolatattoo.com
217.73.212.41	A	mail.michelevodolatattoo.com
217.73.212.63	PTR	vs9063.areaserver.it
217.73.212.83	A	indirizzoinghilterra.it
217.73.212.98	A	rome-tour.it
217.73.212.98	A	mail.rome-tour.it
217.73.212.136	PTR	vs9136.areaserver.it
217.73.212.136	A	mx2.a-firenze.it
217.73.212.136	A	mx1.a-firenze.it
217.73.212.159	PTR	vs9159.areaserver.it
217.73.212.161	A	mail.romanomusumarra.com
217.73.212.223	A	mail.viverepinerolo.it
217.73.212.223	A	mail.viveremilano.biz
217.73.212.223	A	mail.viverepiemonte.com
217.73.213.101	A	aste-auto.com
217.73.213.101	A	mail.aste-auto.com
217.73.214.4	PTR	static-217-73-214-004.clienti.tiscali.it
217.73.214.15	PTR	static-217-73-214-015.clienti.tiscali.it
217.73.214.16	PTR	static-217-73-214-016.clienti.tiscali.it
217.73.214.18	PTR	static-217-73-214-018.clienti.tiscali.it
217.73.214.26	PTR	static-217-73-214-026.clienti.tiscali.it
217.73.214.27	PTR	static-217-73-214-027.clienti.tiscali.it
217.73.214.62	PTR	static-217-73-214-062.clienti.tiscali.it
217.73.214.68	PTR	static-217-73-214-068.clienti.tiscali.it
217.73.214.69	PTR	static-217-73-214-069.clienti.tiscali.it
217.73.214.218	PTR	static-217-73-214-218.clienti.tiscali.it
217.73.214.224	PTR	static-217-73-214-224.clienti.tiscali.it
217.73.214.236	PTR	static-217-73-214-236.clienti.tiscali.it