Robtex

Up: 121.98.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 121.98.160.0/20
Down right: 121.98.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.98.160.0	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.160.147	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.161.122	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.162.9	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.162.108	A	tracklight.co.nz
121.98.162.108	A	homefire.co.nz
121.98.162.108	A	e2productions.co.nz
121.98.165.35	A	ns1.jigsaw-hosting.com
121.98.165.35	A	mail.jigsaw-hosting.com
121.98.165.92	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.166.152	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.166.152	A	cerberus.nrc.co.nz
121.98.166.152	A	mx2.collinsonfx.com
121.98.166.231	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.167.10	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.167.10	A	eye-load.com
121.98.167.101	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.167.214	A	webmail.toddee.com
121.98.167.214	A	toddee.co.nz
121.98.168.92	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.168.163	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.168.163	A	zebrax.co.nz
121.98.168.200	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.169.116	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.172.91	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.172.117	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.174.20	A	smtp.canterburynz.com
121.98.176.4	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.176.4	A	mail.pmef.co.nz
121.98.177.72	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.2	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.35	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.66	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.67	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.98	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.105	A	bnhzone.net
121.98.178.105	A	bnhzone.org
121.98.178.129	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.164	A	premierprint.co.nz
121.98.178.192	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.195	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.224	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.178.226	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.180.121	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.180.121	A	mail2.atspacific.co.nz
121.98.182.2	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.4	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.96	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.97	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.158	A	nordin.co.nz
121.98.182.163	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.192	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.182.225	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.184.13	A	spora.co
121.98.184.186	A	inca.net.nz
121.98.185.107	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.186.32	A	maplesden.co.nz
121.98.186.221	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.186.221	A	mail.privyet.me
121.98.191.181	PTR	dynamic-cpe-pool.orcon.net.nz