Robtex

Up: 193.234.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 193.234.220.0/24
Down right: 193.234.221.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.234.221.10	A	mail.ledarna.se
193.234.221.13	PTR	listsmtp.lists.ledarna.se
193.234.221.15	A+PTR	relay1.ledarna.se
193.234.221.16	PTR	relay2.ledarna.se
193.234.221.37	PTR	www.ledarna.se
193.234.221.37	A	*.ledarna.net
193.234.221.37	A	ledarna.net
193.234.221.67	PTR	mail.ledarna.se