Robtex

Up: 64.120.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.120.20.0/23
Down right: 64.120.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.120.20.0	PTR	64.120.20.0.ubiquityservers.com
64.120.20.15	PTR	64.120.20.15.ubiquityservers.com
64.120.20.16	PTR	64.120.20.16.rdns.ubiquityservers.com
64.120.20.130	PTR	64.120.20.130.rdns.as15003.net
64.120.20.130	A	ns3.dazzlenation.com
64.120.20.130	A	ns3.maxmize.net
64.120.20.155	PTR	64.120.20.155.ubiquityservers.com
64.120.20.155	A	bigfootthedecoy.com
64.120.20.155	A	clintondecoy.com
64.120.20.234	A+PTR	srv735.ubiquityservers.com
64.120.20.234	A	filechamber.org
64.120.21.2	PTR	64.120.21.2.rdns.ubiquityservers.com
64.120.21.2	A	mail.flightlessbirdmarketing.com
64.120.21.2	A	flightlessbirdmarketing.com
64.120.21.3	PTR	64.120.21.3.rdns.ubiquityservers.com
64.120.21.11	PTR	64.120.21.11.rdns.ubiquityservers.com
64.120.21.11	A	0ii.com
64.120.21.11	A	mail.0ii.com
64.120.21.20	PTR	web.identityforce3.net
64.120.21.147	A	ns1.nexion.us
64.120.21.147	A	ns3.nexion.us
64.120.21.148	A	ns4.nexion.us
64.120.21.158	PTR	64.120.21.158.rdns.hostcircle.com
64.120.21.231	PTR	64.120.21.231.rdns.ubiquityservers.com
64.120.21.250	PTR	truthresources.info
64.120.22.18	PTR	64.120.22.18.rdns.ubiquityservers.com
64.120.22.30	PTR	64.120.22.30.rdns.ubiquityservers.com
64.120.22.76	A	maijibb.com
64.120.22.114	PTR	64.120.22.114.rdns.ubiquity.io
64.120.22.114	A	briankeifer.com
64.120.22.114	A	briankeifer.info
64.120.22.170	A	ns1.thunderbr.com.br
64.120.22.181	A	jasonstedman.com
64.120.22.182	A	youradvicedevice.com
64.120.22.189	A	smtp.ejfinancial.com
64.120.22.189	A	smtp.gcglassmirror.net
64.120.22.189	A	smtp.mrkhosting.com
64.120.22.226	A	ebiztms.com
64.120.22.227	PTR	64.120.22.227.rdns.ubiquityservers.com
64.120.22.227	A	cnestauto.com
64.120.22.234	PTR	puravida.allnewdns.com
64.120.22.234	A	ohrehabstaffing.com
64.120.22.234	A	allergiesweb.com
64.120.22.236	A	ns1.mvalue.com
64.120.22.236	A	ns2.mvalue.com
64.120.22.236	A	mail.mvalue.com
64.120.22.238	PTR	get-paid-hwy.com
64.120.22.242	PTR	64.120.22.242.ubiquityservers.com
64.120.22.250	PTR	shared101.ubiquityhosting.com
64.120.22.250	A	mail.dmelander.com
64.120.22.250	A	mail.michaelarae.com
64.120.23.21	A	ns288.vzhosting.net
64.120.23.31	PTR	64.120.23.31.rdns.micfo.com
64.120.23.31	A	ns701.vzhosting.net
64.120.23.38	PTR	64.120.23.38.rdns.micfo.com
64.120.23.54	PTR	64.120.23.54.rdns.micfo.com
64.120.23.54	A	ns6.rudrasoftwares.net
64.120.23.63	PTR	64.120.23.63.rdns.micfo.com
64.120.23.65	PTR	64.120.23.65.rdns.micfo.com
64.120.23.96	PTR	64.120.23.96.rdns.micfo.com
64.120.23.97	PTR	64.120.23.97.rdns.micfo.com
64.120.23.97	A	ns4106.micfo.com
64.120.23.146	PTR	64.120.23.146.rdns.ubiquityservers.com
64.120.23.151	PTR	64.120.23.151.rdns.ubiquityservers.com
64.120.23.163	PTR	mail-2.applegatecommunications.com
64.120.23.164	PTR	mail-3.applegatecommunications.com
64.120.23.165	PTR	mail-4.applegatecommunications.com
64.120.23.185	PTR	mail-24.applegatecommunications.com
64.120.23.232	PTR	64.120.23.232.rdns.ubiquityservers.com
64.120.23.255	PTR	admin.globalinsighters.com