Robtex

Up: 80.17.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.17.32.0/20
Down right: 80.17.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.17.32.110	A	host110-32-static.17-80-b.business.telecomitalia.it
80.17.32.191	A	host191-32-static.17-80-b.business.telecomitalia.it
80.17.33.16	A	host16-33-static.17-80-b.business.telecomitalia.it
80.17.35.21	A	cedsm.it
80.17.35.22	A	cedzp.it
80.17.35.78	A	host78-35-static.17-80-b.business.telecomitalia.it
80.17.35.180	A	s2i-italia.com
80.17.35.180	A	mailf.s2i-italia.com
80.17.35.202	A	mails.s2i-italia.com
80.17.35.202	A	mails.datamanagementitalia.it
80.17.35.205	A	datamanagementitalia.it
80.17.36.128	PTR	host128-36-static.17-80-b.business.telecomitalia.it
80.17.36.146	A	host146-36-static.17-80-b.business.telecomitalia.it
80.17.37.4	A+PTR	sap1.rafcafe.com
80.17.38.39	A	host39-38-static.17-80-b.business.telecomitalia.it
80.17.38.43	A	host43-38-static.17-80-b.business.telecomitalia.it
80.17.38.46	A	venere.epaca.it
80.17.38.46	A	www.epaca.it
80.17.38.158	A	host158-38-static.17-80-b.business.telecomitalia.it
80.17.38.159	A	host159-38-static.17-80-b.business.telecomitalia.it
80.17.38.218	A	italia.ciemgroup.com
80.17.38.218	A	ciemgroup.it
80.17.39.15	A	host15-39-static.17-80-b.business.telecomitalia.it
80.17.39.20	A	host20-39-static.17-80-b.business.telecomitalia.it
80.17.39.30	A	host30-39-static.17-80-b.business.telecomitalia.it
80.17.39.45	A	host45-39-static.17-80-b.business.telecomitalia.it
80.17.39.83	A	host83-39-static.17-80-b.business.telecomitalia.it
80.17.39.136	A	host136-39-static.17-80-b.business.telecomitalia.it
80.17.42.1	A+PTR	host1-42-static.17-80-b.business.telecomitalia.it
80.17.42.41	A	host41-42-static.17-80-b.business.telecomitalia.it
80.17.42.46	A	host46-42-static.17-80-b.business.telecomitalia.it
80.17.42.71	A	host71-42-static.17-80-b.business.telecomitalia.it
80.17.42.74	A	host74-42-static.17-80-b.business.telecomitalia.it
80.17.42.84	A	antispam.vimer.it
80.17.42.88	A	host88-42-static.17-80-b.business.telecomitalia.it
80.17.42.97	A+PTR	host97-42-static.17-80-b.business.telecomitalia.it
80.17.42.193	PTR	host193-42-static.17-80-b.business.telecomitalia.it
80.17.42.229	A	host229-42-static.17-80-b.business.telecomitalia.it
80.17.44.3	A	ftphsaf.meteoam.it
80.17.44.4	A	hsaf.meteoam.it
80.17.44.5	A	jedi2.meteoam.it
80.17.44.8	A	r2d2.meteoam.it
80.17.44.13	A	r2d2.meteoam.it
80.17.44.246	A	mail2.cassaedilediroma.it
80.17.44.246	A	mail.cassaedilediroma.it
80.17.45.14	A	cittadicastello-alberghi.com
80.17.45.33	PTR	ppp33.webred.it
80.17.45.33	A	uslumbria2.it
80.17.45.113	A	assisi-alberghi.it
80.17.45.113	A	assisi-agriturismi.it
80.17.45.113	A	amelia-alberghi.com
80.17.46.1	PTR	h001.webred.it
80.17.46.1	A	h001.iat.gubbio.pg.it
80.17.46.1	A	h001.umbriasalute.com
80.17.46.2	PTR	h002.webred.it
80.17.46.3	PTR	h003.webred.it
80.17.46.4	PTR	h004.webred.it
80.17.46.35	A	integrativa.webred.it
80.17.46.41	A	umbria-turismo.it
80.17.46.41	A	portal.umbria2000.it
80.17.46.41	A	umbria2000.it
80.17.46.42	PTR	waia.webred.it
80.17.46.77	A	www.comunideltrasimeno.gov.it
80.17.46.91	A	h091.webred.it
80.17.46.100	PTR	adisupg.gov.it.46.17.80.in-addr.arpa
80.17.46.100	A	adisupg.gov.it
80.17.46.100	A	www.cercalloggio-umbria.gov.it
80.17.46.119	PTR	delibdb.webred.it
80.17.46.129	A+PTR	e-sanita.it
80.17.46.135	A	sssdcg01.webred.it
80.17.46.136	A	sssdcg02.webred.it
80.17.46.139	A	sssdcb01.webred.it
80.17.46.167	A	sapcruab.webred.it
80.17.46.168	A	sapcru03.webred.it
80.17.46.177	A	sapcru07.webred.it
80.17.46.187	A	sapcru8a.webred.it
80.17.46.254	PTR	h254.webred.it.46.17.80.in-addr.arpa
80.17.47.4	PTR	host4-47-static.17-80-b.business.telecomitalia.it
80.17.47.6	A	host6-47-static.17-80-b.business.telecomitalia.it
80.17.47.68	A	host68-47-static.17-80-b.business.telecomitalia.it
80.17.47.120	A	host120-47-static.17-80-b.business.telecomitalia.it
80.17.47.124	A	host124-47-static.17-80-b.business.telecomitalia.it
80.17.47.168	A	host168-47-static.17-80-b.business.telecomitalia.it
80.17.47.187	A	host187-47-static.17-80-b.business.telecomitalia.it
80.17.47.188	A	host188-47-static.17-80-b.business.telecomitalia.it
80.17.47.195	A+PTR	host195-47-static.17-80-b.business.telecomitalia.it
80.17.47.227	A	host227-47-static.17-80-b.business.telecomitalia.it
80.17.47.232	A	host232-47-static.17-80-b.business.telecomitalia.it
80.17.48.4	A	host4-48-static.17-80-b.business.telecomitalia.it
80.17.48.7	A	host7-48-static.17-80-b.business.telecomitalia.it
80.17.52.151	A	host151-52-static.17-80-b.business.telecomitalia.it
80.17.53.108	A	mxtv.stemitecnica.it
80.17.53.240	A	host240-53-static.17-80-b.business.telecomitalia.it
80.17.54.20	A	mail2.alphaomega.it
80.17.54.40	A	host40-54-static.17-80-b.business.telecomitalia.it
80.17.54.72	A	host72-54-static.17-80-b.business.telecomitalia.it
80.17.54.88	A	host88-54-static.17-80-b.business.telecomitalia.it
80.17.54.104	A	host104-54-static.17-80-b.business.telecomitalia.it
80.17.54.154	A	prontobollo.it
80.17.54.171	A	mail.muratti.it
80.17.54.171	A	mail.didonatospa.com
80.17.54.171	A	mail.azimutdigital.it
80.17.57.39	A	host39-57-static.17-80-b.business.telecomitalia.it
80.17.57.40	A	host40-57-static.17-80-b.business.telecomitalia.it
80.17.57.56	A	host56-57-static.17-80-b.business.telecomitalia.it
80.17.57.59	A	host59-57-static.17-80-b.business.telecomitalia.it
80.17.57.95	A	host95-57-static.17-80-b.business.telecomitalia.it
80.17.57.102	A	host102-57-static.17-80-b.business.telecomitalia.it
80.17.57.108	A	host108-57-static.17-80-b.business.telecomitalia.it
80.17.57.134	A	host134-57-static.17-80-b.business.telecomitalia.it
80.17.57.197	A	host197-57-static.17-80-b.business.telecomitalia.it
80.17.57.207	A	host207-57-static.17-80-b.business.telecomitalia.it
80.17.57.235	A	mail.viridex.it
80.17.57.246	A	host246-57-static.17-80-b.business.telecomitalia.it
80.17.59.131	PTR	host131-59-static.17-80-b.business.telecomitalia.it
80.17.61.66	A	mailserver.sardiniayachtservices.it
80.17.61.107	A	www.spot4.it
80.17.61.220	A	www.comunedisinnai.com
80.17.63.192	A	host192-63-static.17-80-b.business.telecomitalia.it
80.17.63.240	A	host240-63-static.17-80-b.business.telecomitalia.it