Robtex

Up: 208.84.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.84.220.0/23
Down right: 208.84.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.84.220.0	PTR	208.84.220.0.ifibertv.com
208.84.220.13	PTR	208.84.220.13.ifibertv.com
208.84.220.24	PTR	208.84.220.24.ifibertv.com
208.84.220.42	A	echo.empctrl.com
208.84.220.42	A	echo1.empctrl.com
208.84.220.43	A	echo3.empctrl.com
208.84.220.78	PTR	208.84.220.78.ifibertv.com
208.84.220.79	PTR	208.84.220.79.ifibertv.com
208.84.220.79	A	kyrellia.com
208.84.220.94	PTR	208.84.220.94.ifibertv.com
208.84.220.94	A	thechelanbunch.com
208.84.220.94	A	greenwaysmasonry.com
208.84.220.131	A+PTR	ns1.ifibertv.com
208.84.220.131	A	ns1.ifiber.tv
208.84.220.131	A	ns1.sliderule.net
208.84.220.132	A+PTR	ns2.ifibertv.com
208.84.220.132	A	ns2.homenetnw.net
208.84.220.132	A	ns2.sliderule.net
208.84.220.134	PTR	208.84.220.134.ifibertv.com
208.84.220.138	PTR	208.84.220.138.ifibertv.com
208.84.220.138	A	speedtest.ifiber.tv
208.84.220.140	PTR	mail.ifiber.tv
208.84.220.140	A	mail.thepurplecoyote.com
208.84.220.140	A	mail.qa-lab.com
208.84.220.144	PTR	208.84.220.144.ifibertv.com
208.84.220.144	A	bigdam.net
208.84.220.144	A	ifiberphone.net
208.84.220.145	PTR	208.84.220.145.ifibertv.com
208.84.220.147	PTR	208.84.220.147.ifibertv.com
208.84.220.147	A	mail.quincyfresh.com
208.84.220.147	A	granco.org
208.84.220.166	PTR	208.84.220.166.ifibertv.com
208.84.220.166	A	granco.org
208.84.220.211	PTR	rmtw.com
208.84.220.212	A+PTR	mail.csiconnect.com
208.84.220.212	A	cobra.csiconnect.com
208.84.220.212	A	admin56k.csiconnect.com
208.84.220.216	PTR	mail.rmtw.com
208.84.220.222	PTR	cache.netflix.com
208.84.220.222	A	occ-0-1521-1360.1.nflxso.net
208.84.220.222	A	occ-1-1521-1007.1.nflxso.net
208.84.220.226	PTR	208.84.220.226.ifibertv.com
208.84.220.226	A	mail.rabbitmeadowstechnology.com
208.84.220.226	A	rabbitmeadowstechnology.com
208.84.220.228	PTR	rmtw.com
208.84.220.250	PTR	208.84.220.250.ifibertv.com
208.84.220.251	PTR	208.84.220.251.ifibertv.com
208.84.221.68	PTR	208.84.221.68.ifibertv.com
208.84.221.74	PTR	208.84.221.74.ifibertv.com
208.84.221.74	A	mistee.ca
208.84.221.172	PTR	208.84.221.172.ifibertv.com
208.84.221.172	A	r1---sn-p4pcxg-hfie.googlevideo.com
208.84.221.172	A	r1.sn-p4pcxg-hfie.gvt1.com
208.84.221.173	PTR	cache.google.com
208.84.221.173	A	r2.sn-p4pcxg-hfie.gvt1.com
208.84.221.222	PTR	208.84.221.222.ifibertv.com
208.84.221.241	PTR	208.84.221.241.ifibertv.com
208.84.222.6	PTR	208.84.222.6.ifibertv.com
208.84.222.11	A	deanryanhomes.com
208.84.222.19	A	mx-208-84-222-19.doesthis.com
208.84.222.21	A	mail.wplonskelegal.com
208.84.222.71	PTR	208.84.222.71.ifibertv.com
208.84.222.71	A	www.ccephrata.org
208.84.222.71	A	nlcs.us
208.84.222.88	A	themonkeyfuture.com
208.84.222.88	A	the-ruffles.com
208.84.222.150	A+PTR	mail.inlandtarp.com
208.84.222.163	A+PTR	mail2.familyservicegc.net
208.84.222.181	PTR	208.84.222.181.ifibertv.com
208.84.222.181	A	albanybasics.com
208.84.222.181	A	www.rivulent.com
208.84.222.190	A	ns1.sks-keyservers.net
208.84.222.203	PTR	208.84.222.203.ifibertv.com
208.84.222.203	A	backup.thunderboltcomputing.com
208.84.222.203	A	obs.thunderboltcomputing.com
208.84.222.205	A+PTR	office.thunderboltcomputing.com
208.84.222.205	A	newdomain.thunderboltcomputing.com
208.84.222.205	A	support.thunderboltcomputing.com
208.84.222.210	PTR	208.84.222.210.ifibertv.com
208.84.222.210	A	codeprogrammers.net
208.84.222.210	A	codeprogrammers.com
208.84.222.215	A+PTR	mail.quincywashington.us
208.84.222.215	A	mail.quincypd.org
208.84.222.219	A+PTR	mail2.colstor.com
208.84.222.238	A	mail.chiefathletics.org
208.84.222.238	A	chiefathletics.org
208.84.223.30	PTR	208.84.223.30.ifibertv.com
208.84.223.36	A	mail.gcpha.org
208.84.223.60	PTR	208.84.223.60.ifibertv.com
208.84.223.60	A	mail.gcmcd1.org
208.84.223.64	PTR	208.84.223.64.ifibertv.com
208.84.223.64	A	codeprogrammers.net
208.84.223.64	A	dangerrocket.com
208.84.223.86	PTR	208.84.223.86.ifibertv.com
208.84.223.101	PTR	mail.ifiber.tv
208.84.223.101	A	mail.ifibertv.com
208.84.223.137	PTR	208.84.223.137.ifibertv.com
208.84.223.137	A	canfield-associates.com
208.84.223.137	A	publicrisknw.com
208.84.223.140	A	webmail.brothertonseed.com
208.84.223.145	PTR	208.84.223.145.ifibertv.com
208.84.223.145	A	ns2.mastermindpro.com
208.84.223.146	PTR	208.84.223.146.ifibertv.com
208.84.223.146	A	ns5.mastermindpro.com
208.84.223.147	PTR	208.84.223.147.ifibertv.com
208.84.223.147	A	mx2.mastermindpro.com
208.84.223.147	A	mx1.mastermindpro.com
208.84.223.164	PTR	208.84.223.164.ifibertv.com
208.84.223.164	A	tatarica.com
208.84.223.164	A	masguda.com
208.84.223.166	A	stetnerelectric-int.com
208.84.223.175	PTR	208.84.223.175.ifibertv.com
208.84.223.210	A	greatdealfinders.com
208.84.223.255	PTR	208.84.223.255.ifibertv.com