Robtex

Up: 122.56.8.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 122.56.10.0/24
Down right: 122.56.11.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
122.56.11.81	PTR	smtp.intercity.co.nz
122.56.11.81	PTR	smtp.intercitygroup.co.nz
122.56.11.101	A+PTR	smtp.rankgroup.co.nz
122.56.11.128	PTR	mail.debitsuccess.com
122.56.11.128	A	smtp.adfit.co.nz
122.56.11.128	A	mail.clubware.co.nz
122.56.11.130	PTR	122-56-11-130.cid.global-gateway.net.nz
122.56.11.130	A	adfit.co.nz
122.56.11.130	A	www.adfit.co.nz
122.56.11.134	A	mail.adfit.co.nz
122.56.11.135	A	www.debitsuccess.com
122.56.11.135	A	debitsuccess.com
122.56.11.136	PTR	122-56-11-136.cid.global-gateway.net.nz
122.56.11.139	PTR	122-56-11-139.cid.global-gateway.net.nz
122.56.11.160	A	mail.int.tcdc.govt.nz
122.56.11.161	PTR	122-56-11-161.cid.global-gateway.net.nz
122.56.11.161	A	web.tcdc.govt.nz
122.56.11.165	A	docs.tcdc.govt.nz
122.56.11.166	A	eplan.tcdc.govt.nz
122.56.11.166	A	www.tcdc.govt.nz
122.56.11.166	A	uat.tcdc.govt.nz
122.56.11.185	PTR	122-56-11-185.cid.global-gateway.net.nz
122.56.11.185	A	smtp.crombie.co.nz
122.56.11.211	A+PTR	mailnode1.nzacu.org.nz
122.56.11.212	PTR	122-56-11-212.cid.global-gateway.net.nz
122.56.11.212	A	www.accessweb.co.nz
122.56.11.212	A	accessweb.co.nz
122.56.11.216	PTR	122-56-11-216.cid.global-gateway.net.nz
122.56.11.217	PTR	122-56-11-217.cid.global-gateway.net.nz
122.56.11.219	PTR	122-56-11-219.cid.global-gateway.net.nz
122.56.11.222	PTR	122-56-11-222.cid.global-gateway.net.nz
122.56.11.223	A	mail2.finzsoft.com
122.56.11.237	PTR	122-56-11-237.cid.global-gateway.net.nz