Robtex

Up: 121.98.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 121.98.0.0/19
Down right: 121.98.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.98.0.0	PTR	default-rdns.callplus.co.nz
121.98.0.1	A+PTR	dns1.orcon.net.nz
121.98.0.2	PTR	dns2.orcon.net.nz
121.98.0.7	PTR	default-rdns.vocus.co.nz
121.98.0.64	PTR	default-rdns.vocus.co.nz
121.98.1.7	PTR	default-rdns.vocus.co.nz
121.98.3.2	PTR	default-rdns.callplus.co.nz
121.98.9.13	A	xe-1-0-0.cre1.nct.orcon.net.nz
121.98.9.45	A	ge-0-1-6-0.cre1.nct.orcon.net.nz
121.98.9.170	A	xe-1-1-0-235.cre1.nct.orcon.net.nz
121.98.9.173	A	xe-3-1-0-236.cre1.sky.orcon.net.nz
121.98.9.174	A	xe-1-1-0-236.cre2.nct.orcon.net.nz
121.98.12.20	PTR	cre2.nct.odyssey.net.nz
121.98.18.2	PTR	default-rdns.vocus.co.nz
121.98.19.2	PTR	default-rdns.vocus.co.nz
121.98.21.236	PTR	default-rdns.vocus.co.nz
121.98.21.236	A	certainlyawesome.com
121.98.24.90	PTR	default-rdns.callplus.co.nz
121.98.26.32	PTR	default-rdns.vocus.co.nz
121.98.26.192	PTR	default-rdns.vocus.co.nz
121.98.28.2	PTR	default-rdns.callplus.co.nz
121.98.29.25	PTR	default-rdns.vocus.co.nz
121.98.29.25	A	gnucomp.mine.nu
121.98.29.25	A	aussie.mine.nu
121.98.29.55	PTR	default-rdns.callplus.co.nz
121.98.29.55	A	phatputer.ddns.net
121.98.30.228	PTR	default-rdns.vocus.co.nz
121.98.30.229	PTR	default-rdns.vocus.co.nz
121.98.30.229	A	kjweatherall.com
121.98.31.53	PTR	default-rdns.vocus.co.nz
121.98.31.53	A	firewall.data.net.nz
121.98.31.53	A	plutonium.myqnapcloud.com
121.98.31.54	PTR	default-rdns.vocus.co.nz
121.98.32.2	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.32.42	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.33.89	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.33.89	A	braininjuredtravel.com
121.98.34.2	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.41.30	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.41.30	A	slcomputing.noip.me
121.98.41.43	A	nzarthomestay.com
121.98.41.43	A	snsphoto.co.nz
121.98.44.34	A	mail.snsphoto.co.nz
121.98.47.173	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.48.60	A	121-98-48-60.bng1.tvc.orcon.net.nz
121.98.48.122	A	121-98-48-122.bng1.tvc.orcon.net.nz
121.98.48.192	A	121-98-48-192.bng1.tvc.orcon.net.nz
121.98.48.219	PTR	121-98-48-219.bng1.tvc.orcon.net.nz
121.98.48.232	A	121-98-48-232.bng1.tvc.orcon.net.nz
121.98.48.239	A	121-98-48-239.bng1.tvc.orcon.net.nz
121.98.49.13	A	121-98-49-13.bng1.tvc.orcon.net.nz
121.98.49.15	PTR	default-rdns.vocus.co.nz
121.98.49.40	A	121-98-49-40.bng1.tvc.orcon.net.nz
121.98.49.70	A	stompboxdev.net
121.98.49.73	A	121-98-49-73.bng1.tvc.orcon.net.nz
121.98.49.93	A+PTR	121-98-49-93.bng1.tvc.orcon.net.nz
121.98.49.132	PTR	121-98-49-132.bng1.tvc.orcon.net.nz
121.98.50.9	A	121-98-50-9.bng1.tvc.orcon.net.nz
121.98.50.170	A	121-98-50-170.bng1.tvc.orcon.net.nz
121.98.51.8	PTR	default-rdns.vocus.co.nz
121.98.51.8	A	121-98-51-8.bng1.tvc.orcon.net.nz
121.98.51.33	PTR	default-rdns.vocus.co.nz
121.98.51.239	A	121-98-51-239.bng1.tvc.orcon.net.nz
121.98.52.74	A	121-98-52-74.bng1.nct.orcon.net.nz
121.98.52.122	A+PTR	121-98-52-122.bng1.nct.orcon.net.nz
121.98.52.216	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.52.216	A	seed.nu.crypto-daio.co.uk
121.98.53.10	A	yaws.co.nz
121.98.53.75	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.53.249	A+PTR	121-98-53-249.bng1.nct.orcon.net.nz
121.98.54.39	A+PTR	121-98-54-39.bng1.nct.orcon.net.nz
121.98.54.92	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.54.95	A	121-98-54-95.bng1.nct.orcon.net.nz
121.98.54.95	A	joniemart.com
121.98.54.96	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.54.96	A	ueaffirmer.us
121.98.54.147	A	121-98-54-147.bng1.nct.orcon.net.nz
121.98.54.163	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.54.163	A	121-98-54-163.bng1.nct.orcon.net.nz
121.98.54.214	A	121-98-54-214.bng1.nct.orcon.net.nz
121.98.55.9	A	121-98-55-9.bng1.nct.orcon.net.nz
121.98.55.28	A+PTR	121-98-55-28.bng1.nct.orcon.net.nz
121.98.55.29	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.55.29	A	monitorbm-quote.com
121.98.55.29	A	mail2.monitorbm.co.nz
121.98.55.163	A	121-98-55-163.bng1.nct.orcon.net.nz
121.98.55.203	A+PTR	121-98-55-203.bng1.nct.orcon.net.nz
121.98.55.228	A	subshark.dnsdynamic.com
121.98.57.188	PTR	default-rdns.vocus.co.nz
121.98.58.34	PTR	default-rdns.vocus.co.nz
121.98.58.34	A	tank.snitch.co.nz
121.98.58.117	A	mail.creditbiz.co.nz
121.98.58.146	PTR	default-rdns.vocus.co.nz
121.98.58.212	A	incy.e-it.co.nz
121.98.59.73	A	agogelive.com
121.98.59.73	A	smtp.agoge.com
121.98.59.74	PTR	default-rdns.vocus.co.nz
121.98.59.74	A	www.agoge.nz
121.98.59.74	A	agoge.nz
121.98.59.75	PTR	default-rdns.vocus.co.nz
121.98.60.207	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.60.251	PTR	dynamic-cpe-pool.orcon.net.nz
121.98.60.251	A	pd.net.nz