Robtex

Up: 134.19.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 134.19.168.0/22
Down right: 134.19.172.0/22

IP	Type	Hostname
134.19.168.7	A+PTR	sdns-nord.marchevoip.it
134.19.168.9	PTR	9-168-19-134.wirtek.it
134.19.168.9	A	mail.marchevoip.it
134.19.170.107	PTR	107-170.19.134.wirteksrl.it
134.19.170.107	A	mail2.fidea.com
134.19.170.240	PTR	240-170-19-134.wirtek.it
134.19.173.249	PTR	249-173.19.134.wirteksrl.it
134.19.175.255	PTR	255-175.19.134.wirteksrl.it