Robtex

Up: 159.224.104.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 159.224.105.0/25
Down right: 159.224.105.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
159.224.105.36	A+PTR	visio.red
159.224.105.36	A	ns3.alphasca.com
159.224.105.36	A	ns3.thesynergy.org
159.224.105.129	PTR	129.105.224.159.triolan.net
159.224.105.167	PTR	167.105.224.159.triolan.net
159.224.105.167	A	cglogic.net