Robtex

Up: 216.163.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.163.48.0/21
Down right: 216.163.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.163.48.51	A	lost-end.qtm.net
216.163.48.130	PTR	idsl.allegiantair.qtm.net
216.163.48.131	PTR	open
216.163.48.211	PTR	open
216.163.48.225	PTR	open.idsl.qtm.net
216.163.48.242	PTR	open.idsl.qtm.net
216.163.49.9	A	clearchoice1.qtm.net
216.163.49.10	A	clearchoice2.qtm.net
216.163.49.11	A	clearchoice3.qtm.net
216.163.49.12	A	clearchoice4.qtm.net
216.163.49.51	PTR	idsl.pac.qtm.net
216.163.49.152	A	lost-start.siemans.qtm.net
216.163.49.154	A	router.siemans.qtm.net
216.163.49.155	A	lost-end.siemans.qtm.net
216.163.49.211	PTR	reserved-securessl.qtm.net
216.163.50.122	A	email.christmanco.com
216.163.50.179	PTR	lost-end.cullar-sdsl.qtm.net
216.163.51.50	A	katiejporter.com
216.163.51.50	A	katiejporter.net
216.163.51.50	A	kjporter.net
216.163.51.98	A	area51.alienz.net
216.163.51.102	A	eugr.com
216.163.51.125	A	mail.wipuppymillproject.com
216.163.51.125	A	mail.e-craftshow.com
216.163.51.125	A	e-craftshow.com
216.163.53.2	PTR	switch.spartan.acd.net
216.163.53.34	PTR	216-163-53-34.static.acd.net
216.163.53.34	A	imaagent.net
216.163.53.34	A	imaagent.com
216.163.53.36	A	www.sheratonlansing.com
216.163.53.77	A	plymouth.cmdrkey.com
216.163.53.77	A	plymouth.speedwaymail.net
216.163.53.78	A	commodorekey.com
216.163.53.78	A	speedwaymail.net
216.163.54.182	A	steelehome.myqnapcloud.com
216.163.54.228	A	beecam-steelehome.ddns.net
216.163.55.68	A	www.spartanchassis.com
216.163.55.68	A	spartanchassis.com
216.163.55.68	A	everythingsridingonit.com
216.163.55.70	A	spartanerv.com
216.163.55.83	A+PTR	mail.spartanmotors.com
216.163.55.88	A	smi-vpn.spartanmotors.com
216.163.55.89	A+PTR	mail2.spartanmotors.com
216.163.55.89	A	mail3.classicfirellc.com
216.163.55.98	A	mail.spartanmotors.com
216.163.56.188	A	beam-rider.org
216.163.57.27	A	www.inghamisd.org
216.163.57.28	A	elps.us
216.163.57.28	A	www.elps.k12.mi.us
216.163.57.28	A	www.elps.us
216.163.57.33	A	panthernet.net
216.163.57.41	A+PTR	smtp.inghamisd.org
216.163.57.43	A	www.remcsave.org
216.163.57.43	A	remcsave.org
216.163.57.59	A	beam-rider.org
216.163.57.65	A	www.dansville.org
216.163.57.65	A	glk12.org
216.163.57.65	A	remc13.org
216.163.58.48	PTR	open
216.163.58.51	PTR	open
216.163.58.71	A	mail.firebirdsystems.com
216.163.58.80	PTR	mail2.florin.net
216.163.58.80	A	*.gfhc.net
216.163.58.80	A	gfhc.net
216.163.58.112	PTR	host48.deyflorin.qtm.net
216.163.60.34	PTR	mail.modarinc.com
216.163.60.67	PTR	open
216.163.60.202	A	remote.dbiyes.com
216.163.61.161	PTR	open
216.163.61.211	PTR	open
216.163.61.243	PTR	open
216.163.62.2	PTR	open
216.163.62.35	PTR	open
216.163.62.49	PTR	open
216.163.62.65	PTR	open
216.163.62.67	PTR	open
216.163.62.70	A	mail.idvcloud.net
216.163.62.73	A	vpn.idvsolutions.com
216.163.62.76	A	ns1.idvsolutions.com
216.163.62.80	PTR	open
216.163.62.81	PTR	open
216.163.62.83	PTR	open
216.163.62.96	PTR	open
216.163.62.106	A	idvcloud.com
216.163.62.106	A	sta12sp1302.visualfusion.com
216.163.62.106	A	mail.idvcloud.com
216.163.62.112	PTR	open
216.163.62.114	PTR	open
216.163.62.123	A	mail.vfdemo.com
216.163.62.123	A	www.vfdemo.com
216.163.62.126	A	mail.askidv.com
216.163.62.126	A	askidv.com
216.163.62.160	PTR	open
216.163.63.0	PTR	open
216.163.63.16	PTR	open
216.163.63.32	PTR	open
216.163.63.48	PTR	open
216.163.63.49	PTR	open
216.163.63.50	PTR	open
216.163.63.51	A+PTR	mail.manercpa.com
216.163.63.51	A	mail.manersolutions.com
216.163.63.51	A	mail.mcco-cpa.com
216.163.63.64	PTR	open
216.163.63.67	PTR	open
216.163.63.80	PTR	open
216.163.63.96	PTR	open
216.163.63.112	PTR	open
216.163.63.160	PTR	open
216.163.63.162	A	mail.magazineline.com
216.163.63.162	A	mail.neamag.com
216.163.63.163	A+PTR	ns2.magazineline.com
216.163.63.170	A	smtp1.magazineline.com
216.163.63.180	A	www.corporateboard.com
216.163.63.180	A	corporateboard.com
216.163.63.185	A	smtp2.magazineline.com
216.163.63.224	PTR	open
216.163.63.241	PTR	open