Robtex

Up: 210.55.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.55.5.0/25
Down right: 210.55.5.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.55.5.2	PTR	fe0-0.dsl-vinc-br1.akl.datacom.net.nz
210.55.5.3	PTR	fe0-1.dsl-vinc-br2.akl.datacom.net.nz
210.55.5.75	PTR	flightcentre.datacom.co.nz
210.55.5.75	PTR	flightcentre2.datacom.co.nz
210.55.5.75	PTR	flightcentre3.datacom.co.nz
210.55.5.86	A+PTR	mx5.datacom.co.nz
210.55.5.89	A+PTR	mx3.datacom.co.nz
210.55.5.90	A+PTR	mx1.datacom.co.nz
210.55.5.90	A	mx1.datacom.net.nz
210.55.5.90	A	mail.dnznet.co.nz
210.55.5.140	A	sw.acclipse.com
210.55.5.140	A	ns2.acclipse.com
210.55.5.140	A	ns4.acclipse.com
210.55.5.189	A+PTR	haulplus.co.nz
210.55.5.189	A	www.haulplus.co.nz