Robtex

Up: 216.146.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.146.40.0/22
Down right: 216.146.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.146.40.1	A+PTR	60.xe-0-2-0.core-01-ewr.as33517.net
216.146.40.11	A	mta6-02-ewr.dyndns.com
216.146.40.49	A	db6-05-ewr.dyndns.com
216.146.40.80	PTR	www.dyn.com
216.146.40.83	A+PTR	a.dyn.com
216.146.40.87	A	mail.forexfounder.com
216.146.40.87	A	trk.email.dyndns.com
216.146.40.87	A	dyn.myopportunity.com
216.146.40.91	A+PTR	help.dynect.net
216.146.40.91	A	api4lyfe.com
216.146.40.91	A	mail.api4lyfe.com
216.146.40.93	A+PTR	smtp474328.dynect.net
216.146.40.93	A	smtp.dynect.net
216.146.40.96	A	smtp-large.dynect.net
216.146.40.98	PTR	sendapi2-ewr.dynect.net
216.146.40.99	PTR	www.dlinkddns.com
216.146.40.100	A	whois.dyndns.com
216.146.40.105	A	mail.sendlabs.com
216.146.40.105	A	mx-ewr.dynect.net
216.146.40.110	A	smtp.dynect.net
216.146.40.110	A	smtp474328.dynect.net
216.146.40.111	A	www.largesmall.com
216.146.40.111	A	largesmall.com
216.146.40.111	A	1spot.com
216.146.40.112	A+PTR	email-sendapi-01-usnbn1.dynect.net
216.146.40.112	A	www.largesmall.com
216.146.40.112	A	largesmall.com
216.146.40.120	A+PTR	dynect-email.net
216.146.40.120	A	*.dynect-email.net
216.146.40.120	A	dynect-email.com
216.146.40.169	A	horseplayersexpo.com
216.146.41.1	PTR	xe-0-2-0-60.core-01-pao.dyndns.com
216.146.41.9	PTR	mta6-03-pao.dyndns.com
216.146.41.10	A+PTR	mta6-01-pao.dyndns.com
216.146.41.36	A	track6-01-pao.dyndns.com
216.146.41.44	A	customer-content.dynect-sampler.dyndns.com
216.146.41.49	A+PTR	db6-05-pao.dyndns.com
216.146.41.66	A+PTR	portal.dynect.net
216.146.41.66	A	email.dynect.net
216.146.41.68	A+PTR	manage-pao.dynect.net
216.146.41.69	A	update.dynect.net
216.146.41.80	A+PTR	api.email.dynect.net
216.146.41.80	A	emailapi.dynect.net
216.146.41.82	A	manage.dynect.com
216.146.41.87	A	mail.forexfounder.com
216.146.41.87	A	trk.email.dyndns.com
216.146.41.87	A	dyn.myopportunity.com
216.146.41.90	A+PTR	smtp-02-pao.dynect.net
216.146.41.93	A+PTR	smtp-large-pao.dynect.net
216.146.41.93	A	smtp-large.dynect.net
216.146.41.102	A+PTR	api-pao.dynect.net
216.146.41.102	A	api.dynect.net
216.146.41.105	A+PTR	mx-pao.dyndns.com
216.146.41.105	A	mx.dynect.net
216.146.41.105	A	mx-pao.dynect.net
216.146.41.106	PTR	trk.email-pao.dynect.net
216.146.41.107	PTR	link.email-pao.dynect.net
216.146.41.113	A	smtp.dynect.net
216.146.41.113	A	smtp-pao.dynect.net
216.146.41.120	PTR	dynect-email.net
216.146.41.120	A	*.dynect-email.net
216.146.41.120	A	x2a.dynect-email.net
216.146.41.121	PTR	email-pao.dynect.net
216.146.41.123	A+PTR	smtp-pao.dynect.net
216.146.41.123	A	smtp.dynect.net
216.146.41.167	A	cass4-02-pao.dyndns.com
216.146.41.190	A	carp-07-pao.dyndns.com
216.146.41.199	A	stageapi4-01-pao.dyndns.com
216.146.41.210	A+PTR	vlan145.a10-00-pao.dyndns.com
216.146.42.1	PTR	ge-1-0-0-5.core-01-dfw.dyndns.com
216.146.42.1	A	0.ge-1-0-0.core-01-dfw.as33517.net
216.146.42.2	PTR	ge-0-0-1-5.vpn-01-dfw.dyndns.com
216.146.42.2	A	0.ge-0-0-1.vpn-01-dfw.as33517.net
216.146.42.24	PTR	lo0.core-01-dfw.dyndns.com
216.146.42.24	A	core-01-dfw.dyndns.com
216.146.42.88	A	mail.ati-messagerie.net
216.146.42.88	A	ati-messagerie.net
216.146.42.133	A+PTR	agent4-01-dfw.dyndns.com
216.146.42.134	A	agent4-02-dfw.dyndns.com
216.146.42.150	A+PTR	cp20-01-dfw.dyndns.com
216.146.42.171	A	ig3-01-dfw.dyndns.com
216.146.42.172	A+PTR	ig3-02-dfw.dyndns.com
216.146.43.1	A	0.ge-1-0-7.core-01-waw.as33517.net
216.146.43.35	A+PTR	sak-01-waw.dyndns.com
216.146.43.62	A+PTR	kvm-02-waw.dyndns.com
216.146.43.70	A+PTR	checkip-waw.dyndns.com
216.146.43.70	A	theoandplomp.com
216.146.43.70	A	themassicator.com
216.146.43.71	A+PTR	checkip.dyndns.com
216.146.43.71	A	theoandplomp.com
216.146.43.71	A	checkip-waw.dyndns.com
216.146.43.133	A+PTR	agent4-01-waw.dyndns.com
216.146.43.150	A+PTR	cp20-01-waw.dyndns.com
216.146.43.171	A	ig3-01-waw.dyndns.com
216.146.43.172	A	ig3-02-waw.dyndns.com
216.146.44.1	A	0.ge-1-0-0.edge-01-mia.as33517.net
216.146.44.5	A	0.ge-1-0-0.edge-02-mia.as33517.net
216.146.44.6	A	0.ge-0-0-1.vpn-01-mia.as33517.net
216.146.44.9	A	0.ae0.edge-01-mia.as33517.net
216.146.44.10	A	0.ae0.edge-02-mia.as33517.net
216.146.44.21	A+PTR	hivecast-15-usmia.as15135.net
216.146.44.22	A	hivecast-16-usmia.as15135.net
216.146.44.133	A+PTR	agent4-01-mia.dyndns.com
216.146.44.134	A	agent4-02-mia.dyndns.com
216.146.45.2	A+PTR	core-02-mht.dyndns.com
216.146.45.10	A+PTR	smtp-01-mht.dyndns.com
216.146.45.10	A	mail2.dyndns.com
216.146.45.10	A	mail.dyndns.com
216.146.45.11	A	sgwellsford.com
216.146.45.28	A	app-04-mht.dyndns.com
216.146.45.31	A	logs-01-mht.dyndns.com
216.146.45.32	A+PTR	backup-01-mht.dyndns.com
216.146.45.33	A+PTR	vpn-10-mht.dyndns.com
216.146.45.33	A	kittystoykovichdesigns.com
216.146.45.33	A	realeyeindia.net
216.146.45.34	PTR	vpn-11-mht.dyndns.com
216.146.45.40	A+PTR	voip-01-mht.dyndns.com
216.146.45.50	A+PTR	dynmail-01-mht.dyndns.com
216.146.45.50	A	zmta-01-mht.dyndns.com
216.146.45.51	A+PTR	zmta-02-mht.dyndns.com
216.146.45.71	A	vpn-30-mht.dyndns.com
216.146.45.240	A+PTR	nat-01-mht.dyndns.com
216.146.45.240	A	sk8boardsupplies.com
216.146.45.240	A	betrodesign.com
216.146.45.241	PTR	nat-02-mht.dyndns.com
216.146.45.242	PTR	nat-03-mht.dyndns.com
216.146.45.243	PTR	nat-04-mht.dyndns.com
216.146.45.250	A	nat-11-mht.dyndns.com
216.146.45.255	A	nat-16-mht.dyndns.com
216.146.46.9	A	php.thisisnotatrueending.com
216.146.46.10	PTR	redirector1.dynect.net
216.146.46.10	A	sgwellsford.com
216.146.46.10	A	rescan.net
216.146.46.11	PTR	redirector2.dynect.net
216.146.46.11	A	rescan.net
216.146.46.11	A	militaryspousefinanceguide.com
216.146.46.31	A	remoteskies.org
216.146.46.31	A	funnyasadeadbunny.com
216.146.46.77	A	www.ddns-example.com
216.146.46.82	A	vps.logan.tv
216.146.46.83	A	server1.speedventuresummit.org
216.146.46.134	A	bronte-o.sboyle.net
216.146.46.179	A	ridingtheshortb.us
216.146.46.250	A+PTR	http-redir-gre.dyndns.com
216.146.47.1	A	0.ge-1-0-7.core-01-sao.as33517.net
216.146.47.2	A	0.ge-0-0-1.vpn-01-sao.as33517.net
216.146.47.11	A	overridex.net
216.146.47.22	A	blanca.ath.cx
216.146.47.29	A	boing.jtn.us
216.146.47.36	A	rdns-02-sao.dyndns.com
216.146.47.52	PTR	sw-02-sao.dyndns.com
216.146.47.52	A	ferrum.org
216.146.47.52	A	harbig.com
216.146.47.57	A+PTR	logs0-01-sao.dyndns.com
216.146.47.74	A	www.elposteonline.com
216.146.47.74	A	elposteonline.com
216.146.47.83	A	ns2.thirtyfive.ca
216.146.47.142	A+PTR	dns4-02-sao.dyndns.com
216.146.47.143	A+PTR	dns4-03-sao.dyndns.com
216.146.47.156	A	kyfarmreport.com
216.146.47.172	A+PTR	ig3-02-sao.dyndns.com