Robtex

Up: 194.103.180.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.103.180.0/25
Down right: 194.103.180.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.103.180.15	A+PTR	sprtest.sip.nu
194.103.180.24	A	tolktest.sip.nu
194.103.180.50	A+PTR	flexitext.net
194.103.180.50	PTR	service.bildtelefoni.net
194.103.180.50	A+PTR	test.bildtelefoni.net
194.103.180.73	A	mmxpstngw1.orebroll.se