Robtex

Up: 210.54.54.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.54.55.0/25
Down right: 210.54.55.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.54.55.20	PTR	210-54-55-20.cid.global-gateway.net.nz
210.54.55.128	PTR	210-54-55-128.cid.global-gateway.net.nz
210.54.55.128	A	safecopy.org.nz
210.54.55.163	PTR	210-54-55-163.cid.global-gateway.net.nz
210.54.55.163	A	wilket.co.nz
210.54.55.163	A	ultrastrike.co.nz
210.54.55.219	PTR	smtp.barfoot.co.nz