Robtex

Up: 83.147.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 83.147.96.0/20
Down right: 83.147.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.147.97.27	PTR	mail.gabrypacking.com
83.147.97.27	A	mail.gabrypacking.it
83.147.97.27	A	mx1.gabryastucci.it
83.147.98.5	PTR	smtp2.ucodep.org
83.147.98.6	A	mail.oxfam.it
83.147.98.6	A	smtp.ucodep.org
83.147.98.6	A	smtp.oxfamitalia.org
83.147.98.62	A+PTR	posta.tamfin.it
83.147.98.83	PTR	brtlw2k8mail.bertolottispa.it
83.147.98.83	A+PTR	mail.bertolottispa.it
83.147.98.83	A	mail.bertolottispa.com
83.147.98.85	A+PTR	smtp.bertolottispa.it
83.147.98.122	A+PTR	vm-mail-smtpout02.gruppoterra.it
83.147.98.124	A+PTR	vm-mail-smtpout03.gruppoterra.it
83.147.98.195	A+PTR	mail.arezzofiere.it
83.147.98.195	A	progestisrl.it
83.147.98.195	A	cpsarezzo.it
83.147.99.204	PTR	frames.dk
83.147.99.204	PTR	twig-alphacom.dk
83.147.99.204	PTR	twig-it.dk
83.147.99.251	PTR	mail.comune.pian-di-sco.ar.it
83.147.99.252	A	webmail.comune.pian-di-sco.ar.it
83.147.99.253	A+PTR	mail.comune.castelfranco-piandisco.ar.it
83.147.99.253	A	mail.castelfrancopiandisco.it
83.147.99.253	A	mail.comune.castelfranco-di-sopra.ar.it
83.147.100.2	PTR	mail.seco.it
83.147.100.2	A	mail.psmgaming.com
83.147.100.2	A	mx1.seco.it
83.147.101.2	A	iris-network.it
83.147.101.26	A	mx.numerounosrl.it
83.147.101.34	A	adsl2.okinawa.it
83.147.101.34	A	mail2.okinawa.it
83.147.101.67	PTR	mail2.provincia.arezzo.it
83.147.101.131	A+PTR	mail1.initzero.it
83.147.101.131	A	www.initzero.it
83.147.101.131	A	www1.initzero.it
83.147.101.147	PTR	mail1.artearezzo.it
83.147.102.2	A	mail2.exagroup.net
83.147.102.2	A	mail2.exagroup.it
83.147.102.66	A+PTR	fwx.ntc.it
83.147.102.66	A	backup.ntc.it
83.147.102.67	A+PTR	olo2olo.ntc.it
83.147.102.67	A	dns.ntc.it
83.147.102.68	PTR	sita.ntc.it
83.147.102.211	A	s-mail.sepenergia.it
83.147.102.243	A	smtp.mavi-informatica.it
83.147.104.123	PTR	104.123.static.b.gruppoterra.it
83.147.104.123	A	104.123.dyn.b2.gruppoterra.it
83.147.104.168	PTR	104.168.static.b.gruppoterra.it
83.147.104.168	A	104.168.dyn.b2.gruppoterra.it
83.147.104.191	PTR	104.191.dyn.b2.gruppoterra.it
83.147.106.53	A+PTR	106.053.dyn.b2.gruppoterra.it
83.147.106.53	A	mx1.pezzani.eu
83.147.106.53	A	speedyitalia.com
83.147.106.71	A+PTR	106.071.dyn.b2.gruppoterra.it
83.147.106.71	A	backup.numerounosrl.it
83.147.106.79	A+PTR	106.079.dyn.b2.gruppoterra.it
83.147.106.79	A	kinson.dyndns.org
83.147.106.184	A+PTR	106.184.dyn.b2.gruppoterra.it
83.147.107.63	A+PTR	107.063.static.b.gruppoterra.it
83.147.107.63	A	server.framacomputer.com
83.147.107.63	A	mx1.framanet.it
83.147.107.70	A	mail.digistore.it
83.147.107.179	A+PTR	107.179.static.b.gruppoterra.it
83.147.107.179	A	mail.daniel-livi.net
83.147.108.129	A+PTR	108.129.dyn.b2.gruppoterra.it
83.147.109.130	A+PTR	smtp.farma.it
83.147.115.150	A	siclasrl.it
83.147.115.207	A	mail.ns1.mail.ns1.ns2.mail.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com
83.147.116.51	PTR	mail.bertolottispa.it
83.147.116.58	A	mail3.saimanews.com
83.147.116.92	A	helpdesk.smaugfi.it
83.147.116.94	A	vivaterraweb.val.it
83.147.116.94	A	ftp.vivaterra.it
83.147.116.131	A+PTR	smtp-auth.smaugfi.it
83.147.116.131	A	smtp.termesangiovanni.it
83.147.116.131	A	smtp.casalama.it
83.147.116.133	PTR	virtualmin3.val.it
83.147.116.133	A	agricolasanfelice.vin
83.147.116.160	PTR	ecvweb.smaugfi.it
83.147.116.160	A	www.ellevacanze.com
83.147.116.160	A	mercatocentralefirenze.com
83.147.116.167	PTR	virtualmin.val.it
83.147.116.169	PTR	bfvirtual.val.it
83.147.116.176	A	www.ellevacanze.com
83.147.116.176	A	www.palagina.it
83.147.118.250	A	mail.quasaringegneria.it
83.147.118.251	A	mail.highfacing.eu
83.147.121.167	A	intra.finital.servizi.gruppoterra.it
83.147.121.167	A	intra.finital.servizi.fsystems.it
83.147.121.180	PTR	mail.talya.it
83.147.122.26	PTR	aesseimpianti.com
83.147.122.38	A+PTR	mx1.ricciarini.it
83.147.122.38	A	mx1.entertex.it
83.147.122.38	A	mx1.casentinoartigianitessili.it
83.147.123.168	A	sottolinea.it
83.147.123.168	A	sottolinea.eu
83.147.123.215	A+PTR	mail.comune.pescaglia.lu.it
83.147.126.14	A+PTR	mail.lasi.it
83.147.126.195	A+PTR	mail3.exagroup.net
83.147.127.72	A	www.cacioli.com
83.147.127.72	A	www.fotomanie.com
83.147.127.72	A	www.bfraika.com
83.147.127.73	PTR	mail.arezzoweb.biz
83.147.127.186	A	chimetconte.com
83.147.127.186	A	www.chimet.com
83.147.127.186	A	chimet.com
83.147.127.187	A+PTR	post.chimet.com