Robtex

Up: 31.197.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 31.197.128.0/20
Down right: 31.197.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.197.128.138	A	mail.ricambimastrostefano.com
31.197.128.138	A	ricambimastrostefano.com
31.197.129.12	A+PTR	host12-129-static.197-31-b.business.telecomitalia.it
31.197.129.41	A+PTR	host41-129-static.197-31-b.business.telecomitalia.it
31.197.129.44	A+PTR	host44-129-static.197-31-b.business.telecomitalia.it
31.197.129.45	A+PTR	host45-129-static.197-31-b.business.telecomitalia.it
31.197.131.11	A+PTR	smtpout3.uslumbria1.it
31.197.131.11	A	mx2.uslumbria1.it
31.197.131.11	A	aslumbria1.it
31.197.135.162	A+PTR	host162-135-static.197-31-b.business.telecomitalia.it
31.197.135.162	A	mail.proger.it
31.197.135.162	A	dns3.proger.it
31.197.135.165	PTR	host165-135-static.197-31-b.business.telecomitalia.it
31.197.135.165	A	progermozambique.com
31.197.136.180	A+PTR	host180-136-static.197-31-b.business.telecomitalia.it
31.197.136.180	A	mirccrm.com
31.197.137.98	A	multiserver-pri.cappelletti.it
31.197.138.194	A	mail.newmasterpolice.it
31.197.139.77	A+PTR	host77-139-static.197-31-b.business.telecomitalia.it
31.197.139.106	A+PTR	host106-139-static.197-31-b.business.telecomitalia.it
31.197.139.106	A	ppservizi.net
31.197.144.27	PTR	host27-144-static.197-31-b.business.telecomitalia.it
31.197.144.27	A	mail.sicreadakar.com
31.197.144.27	A	mail.sirav.it
31.197.145.13	A+PTR	host13-145-static.197-31-b.business.telecomitalia.it
31.197.145.45	A+PTR	host45-145-static.197-31-b.business.telecomitalia.it
31.197.145.82	A+PTR	host82-145-static.197-31-b.business.telecomitalia.it
31.197.147.99	PTR	host99-147-static.197-31-b.business.telecomitalia.it
31.197.147.99	A	smtp.fiapspa.it
31.197.147.190	A+PTR	host190-147-static.197-31-b.business.telecomitalia.it
31.197.147.190	A	gigabytedistribuzione.it
31.197.148.20	A	mailgw.bsplanet.com
31.197.148.21	A	mailgw.bsplanet.com
31.197.148.179	A	mail2.silea.it
31.197.148.179	A	mail.silea.it
31.197.149.2	A	mail.molinarisas.it
31.197.149.102	A	mail2.galvanina.com
31.197.149.226	PTR	host226-149-static.197-31-b.business.telecomitalia.it
31.197.149.226	A	mail.bolognagru.it
31.197.149.226	A	mail.containerrubieraservice.it
31.197.149.246	A+PTR	mix02.mixersrl.it
31.197.150.91	A+PTR	mail.ebrex.ch
31.197.150.203	A+PTR	host203-150-static.197-31-b.business.telecomitalia.it
31.197.151.59	A	mail.agservizisnc.it
31.197.151.59	A	mail.agservizisnc.eu
31.197.151.74	A	mx1.conaptrasporti.eu
31.197.151.74	A	conaptrasporti.eu
31.197.151.194	A+PTR	host194-151-static.197-31-b.business.telecomitalia.it
31.197.151.194	A	md1.fomal.it
31.197.152.5	A+PTR	host5-152-static.197-31-b.business.telecomitalia.it
31.197.152.5	A	stabilometria.net
31.197.152.11	A	mercury1.politecnica.it
31.197.152.34	A	www2.setaweb.it
31.197.152.34	A	www.atcm.mo.it
31.197.152.34	A	www.setaweb.it
31.197.152.35	PTR	host35-152-static.197-31-b.business.telecomitalia.it
31.197.152.35	A	www.setaweb.it
31.197.152.35	A	liahona.atcm.mo.it
31.197.152.50	PTR	mail.setaweb.it
31.197.152.98	A	mx.nuovaisam.it
31.197.152.144	A+PTR	host144-152-static.197-31-b.business.telecomitalia.it
31.197.152.145	A+PTR	host145-152-static.197-31-b.business.telecomitalia.it
31.197.152.146	A+PTR	host146-152-static.197-31-b.business.telecomitalia.it
31.197.152.147	A+PTR	host147-152-static.197-31-b.business.telecomitalia.it
31.197.153.91	PTR	host91-153-static.197-31-b.business.telecomitalia.it
31.197.153.91	A	mail2.ospedaliprivatiriuniti.it
31.197.153.91	A	mail2.villaregina-bo.it
31.197.153.94	A	mail.villaregina-bo.it
31.197.153.235	A	mail.studiocedsrl.it
31.197.154.43	A+PTR	host43-154-static.197-31-b.business.telecomitalia.it
31.197.154.43	A	mail.cantinasocialegualtieri.it
31.197.154.92	A	mx1.litokol.it
31.197.154.92	A	mx100.litokol.it
31.197.154.126	A	remote.inseme.it
31.197.159.150	A+PTR	host150-159-static.197-31-b.business.telecomitalia.it