Robtex

Up: 192.165.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.165.56.0/25
Down right: 192.165.56.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.165.56.140	A+PTR	sodradns.sodra.se
192.165.56.150	A+PTR	query.sodra.com
192.165.56.150	PTR	www.pulpservice.sodra.com
192.165.56.193	PTR	iphttps.sodra.com
192.165.56.197	PTR	arbetsplatsen.sodra.com
192.165.56.197	PTR	iwwservicedesk.sodra.com
192.165.56.197	PTR	qlikview.sodra.com
192.165.56.250	A+PTR	ftp199.sodra.com
192.165.56.250	A+PTR	www1.sodra.com
192.165.56.253	A+PTR	mail.sodra.com
192.165.56.253	PTR	mail1.sodra.com
192.165.56.253	A+PTR	vpn2.sodra.com