Robtex

Up: 193.203.235.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 193.203.235.0/26
Down right: 193.203.235.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.203.235.9	A+PTR	webmail.sep.net
193.203.235.11	A+PTR	smtp.sep.net
193.203.235.11	PTR	mail.sepmail.net
193.203.235.11	A	smtp.sepmail.net
193.203.235.13	A+PTR	mail.sep.net
193.203.235.13	PTR	smtp.sepmail.net
193.203.235.13	A	mail.seniorsanpaolo.org
193.203.235.14	A+PTR	pop.sep.net
193.203.235.14	A+PTR	pop.sepmail.net
193.203.235.14	A	imap.sanpaoloimi.com
193.203.235.15	PTR	webmail.sepmail.net
193.203.235.26	A	www.sep.net
193.203.235.28	A+PTR	mta1.sep.net
193.203.235.29	A+PTR	mta2.sep.net
193.203.235.40	A	circolo.sep.net