Robtex

Up: 84.246.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 84.246.144.0/23
Down right: 84.246.146.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.246.144.38	PTR	mail.backwave.com
84.246.144.70	A	speedtest.mavianmax.it
84.246.145.20	A	mail2.offitaly.com
84.246.145.20	A	mail3.exelia.biz
84.246.145.21	A	mail3.offitaly.com
84.246.146.42	A+PTR	mail.effective.it
84.246.146.42	A	mail.effectiveweb.it
84.246.146.42	A	mail.effectivenet.it
84.246.146.43	PTR	mail.effective.it
84.246.146.43	A	effectivenet.it
84.246.146.44	A	effective.it
84.246.146.44	A	promomaster.it
84.246.146.44	A	effectivenet.it
84.246.146.86	A	accesso.bh00.com
84.246.146.87	A+PTR	mail.bh00.com
84.246.146.87	A	bh00.com
84.246.146.87	A	mail.studiopaolini.eu
84.246.146.106	A	mail1.csa-srl.eu
84.246.146.106	A	mail1.csa-srl.net
84.246.146.131	A	perbaccovolley.it
84.246.146.132	A+PTR	mail1.dimedp.it
84.246.146.132	A	mailb.laemsystem.com
84.246.146.132	A	mail3.dimedp.it
84.246.146.137	A	pneus7.it
84.246.146.137	A	mail1.zerbinatisrl.it
84.246.146.137	A	www.pneus7.it
84.246.146.138	PTR	mail.dimedp.it
84.246.146.165	A	castolin.it
84.246.146.165	A	www.tesserini.it
84.246.146.165	A	www.galileiviareggio.net
84.246.146.169	A	www.castellodirossino.com
84.246.146.169	A	castellodirossino.it
84.246.146.169	A	castellodirossino.com
84.246.146.178	A	guarnizioni.com
84.246.146.178	A	www.memitsrl.com
84.246.146.178	A	tecniwork.info
84.246.146.179	A	www.memitsrl.com
84.246.146.194	A+PTR	sutmail.suttergroup.net
84.246.146.194	A	mx10.sutter.it
84.246.146.195	A	exchange.sutter.it
84.246.147.13	A	www.mavianmax.it
84.246.147.37	PTR	mail.netecom.it
84.246.147.50	A+PTR	isrv50.albasider.it
84.246.147.52	A	www.mavian.it
84.246.147.52	A	mavianmax.com
84.246.147.54	A	mx1.bbinsrl.com
84.246.147.54	A	bbinsrl.com
84.246.147.58	A	mail1.scolca.it
84.246.147.58	A	mail.scolca.it
84.246.147.58	A	mailserver.scolca.it
84.246.147.116	A	mx20.sutter.it
84.246.147.171	A	gate1.rafinet.it
84.246.147.250	A	mavian.it
84.246.147.252	A+PTR	smtp.mavian.it
84.246.147.252	A	mx2.mavian.it
84.246.147.253	A+PTR	mail.mavian.it
84.246.147.253	A	mx1.mavian.it