Robtex

Up: 220.244.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 220.244.172.0/25
Down right: 220.244.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.244.172.97	PTR	220-244-172-97.static.tpgi.com.au
220.244.172.97	A	mail1.melbournerivercruises.com.au
220.244.172.97	A	smtp.australianpaperrecovery.com
220.244.172.111	A+PTR	220-244-172-111.static.tpgi.com.au