Robtex

Up: 80.20.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.20.128.0/20
Down right: 80.20.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.20.128.126	A	host126-128-static.20-80-b.business.telecomitalia.it
80.20.131.2	PTR	host2-131-static.20-80-b.business.telecomitalia.it
80.20.132.174	A	host174-132-static.20-80-b.business.telecomitalia.it
80.20.133.206	A	host206-133-static.20-80-b.business.telecomitalia.it
80.20.138.178	A	mail.piubelli.it
80.20.138.178	A	sede.piubelli.eu
80.20.144.4	A	mx1.clientiarc.it
80.20.144.5	A	arcinform.it
80.20.144.5	A	www.arcinform.com
80.20.144.5	A	arcinform.com
80.20.144.96	PTR	host96-144-static.20-80-b.business.telecomitalia.it
80.20.144.96	A	mail.gaat.org
80.20.145.100	A	mail.lamebo.it
80.20.145.100	A	mail.lamebo.cn
80.20.145.154	A	email.bongioannimacchine.com
80.20.145.155	A	host155-145-static.20-80-b.business.telecomitalia.it
80.20.148.24	A	host24-148-static.20-80-b.business.telecomitalia.it
80.20.148.88	A	host88-148-static.20-80-b.business.telecomitalia.it
80.20.148.93	A	host93-148-static.20-80-b.business.telecomitalia.it
80.20.148.168	A	host168-148-static.20-80-b.business.telecomitalia.it
80.20.148.191	A	host191-148-static.20-80-b.business.telecomitalia.it
80.20.148.248	A	host248-148-static.20-80-b.business.telecomitalia.it
80.20.149.43	A	host43-149-static.20-80-b.business.telecomitalia.it
80.20.149.68	A	tenutavezza.com
80.20.149.97	A	host97-149-static.20-80-b.business.telecomitalia.it
80.20.149.175	A	host175-149-static.20-80-b.business.telecomitalia.it
80.20.149.200	A	host200-149-static.20-80-b.business.telecomitalia.it
80.20.149.206	A	host206-149-static.20-80-b.business.telecomitalia.it
80.20.149.227	A	dns4.cantine.eu.org
80.20.149.228	A	dns.davide.eu.org
80.20.149.228	A	dns2.cantine.org
80.20.149.228	A	dns2.eliostampa.com
80.20.151.158	A	host158-151-static.20-80-b.business.telecomitalia.it
80.20.151.230	A	host230-151-static.20-80-b.business.telecomitalia.it
80.20.152.3	A+PTR	host3-152-static.20-80-b.business.telecomitalia.it
80.20.152.96	A	host96-152-static.20-80-b.business.telecomitalia.it
80.20.152.103	A	host103-152-static.20-80-b.business.telecomitalia.it
80.20.152.138	A	host138-152-static.20-80-b.business.telecomitalia.it
80.20.152.138	A	email.martini-multimedia.net
80.20.152.144	A	host144-152-static.20-80-b.business.telecomitalia.it
80.20.152.175	A	host175-152-static.20-80-b.business.telecomitalia.it
80.20.153.3	A	r-as01-com-e0.fauser.it
80.20.153.196	A	palco.fauser.edu
80.20.154.2	A+PTR	host2-154-static.20-80-b.business.telecomitalia.it
80.20.154.92	A	b2bcommercialecuscinetti.it
80.20.157.10	A	mail.eversider.it
80.20.158.233	A	mx.compagniadisanpaolo.it
80.20.158.233	A	mx.ufficiopio.it
80.20.158.233	A	mail.fondacolux.lu
80.20.159.78	A	indexsrl.com
80.20.159.147	A	mail.enaipborgomanero.org