Robtex

Up: 216.163.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.163.48.0/22
Down right: 216.163.52.0/22
(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
216.163.48.168	PTR	open
216.163.48.202	PTR	idsl.centurysmallbusiness.qtm.net
216.163.48.211	PTR	open
216.163.48.225	PTR	open.idsl.qtm.net
216.163.48.242	PTR	open.idsl.qtm.net
216.163.48.251	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
216.163.49.107	PTR	216-163-49-107.static.acd.net
216.163.49.152	A	lost-start.siemans.qtm.net
216.163.49.153	PTR	serial-gr.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
216.163.49.219	PTR	216-163-49-219.static.acd.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
216.163.53.10	PTR	216-163-53-10.static.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
216.163.55.74	A	sparcon.spartanchassis.com
216.163.55.76	A	ftps.spartanchassis.com
216.163.55.78	A	www.utilimaster.com
216.163.55.78	A	utilimaster.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
216.163.55.89	A	mail2.classicfirellc.com
216.163.55.98	A	mail.spartanmotors.com