Robtex

Up: 193.183.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.183.20.0/25
Down right: 193.183.20.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.183.20.13	A	mail.alliance-fastighet.se
193.183.20.66	PTR	ntp1.copper.se
193.183.20.67	PTR	ns4.copper.se
193.183.20.68	A	sydney.copper.se
193.183.20.68	A	mail3.copper.se
193.183.20.71	A+PTR	melbourne.copper.se
193.183.20.71	A	www.copper.se
193.183.20.71	A	zoomon.com
193.183.20.72	A	www.hamberg.se
193.183.20.72	A	canberra.copper.se
193.183.20.74	PTR	ns1.copper.se
193.183.20.129	A	campadre.info
193.183.20.139	A	campadre.info