Robtex

Up: 31.193.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.193.22.0/25
Down right: 31.193.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.193.22.4	A	mail.fipm.it
31.193.22.34	A	remote.cy-laser.com
31.193.22.46	A	mail.sofiaguerra.it
31.193.22.58	A+PTR	s-suite.squillantinicavallari.it
31.193.22.58	A	mail.squillantinicavallari.it
31.193.22.58	A	mx.squillantinicavallari.it
31.193.22.90	A	tesi.dnsalias.net
31.193.22.138	PTR	mail.mibitaliana.it
31.193.22.195	A+PTR	mail3.cert.toscana.it
31.193.22.195	A	mail3.ctp.toscana.it
31.193.22.196	A	totalclub.it
31.193.22.196	A	mail.totalclub.it
31.193.22.196	A	one01.it
31.193.22.212	A	mail.lamarzocco.com
31.193.22.215	A	mx1.lamarzocco.com
31.193.22.251	A	scooter.it