Robtex

Up: 72.232.0.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 72.232.2.0/24
Down right: 72.232.3.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.232.2.4	PTR	4.2.232.72.static.reverse.ltdomains.com
72.232.2.10	PTR	dns.netops.me
72.232.2.10	A	ns1.army-men.us
72.232.2.10	A	ns1.solidnetdns.com
72.232.2.34	PTR	34.2.232.72.static.reverse.ltdomains.com
72.232.2.34	A	systemdk.biz
72.232.2.39	A	39.2.232.72.static.reverse.ltdomains.com
72.232.2.44	PTR	44.2.232.72.static.reverse.ltdomains.com
72.232.2.50	A	50.2.232.72.static.reverse.ltdomains.com
72.232.2.58	PTR	58.2.232.72.static.reverse.ltdomains.com
72.232.2.66	PTR	ns1.uretmake.com
72.232.2.67	PTR	ns2.uretmake.com
72.232.2.77	PTR	serve.kinkysites.co.uk
72.232.2.86	A+PTR	86.2.232.72.static.reverse.ltdomains.com
72.232.2.91	PTR	ns2.dns-esornet.com
72.232.2.98	PTR	servidor.totalhost.us
72.232.2.130	PTR	us-dal-dtb-996-ip1.itmnetworks.net
72.232.2.130	A	mail.escolhacerta.com.br
72.232.2.131	PTR	us-dal-dtb-996-ip2.itmnetworks.net
72.232.2.131	A	ceacomputadores.com.br
72.232.2.132	PTR	us-dal-dtb-996-ip3.itmnetworks.net
72.232.2.147	A	mx3.ambientedigital.com.br
72.232.2.163	PTR	us-dal-dtb-995-ip2.itmnetworks.net
72.232.2.163	A	mx3.classifeira.com.br
72.232.2.163	A	www.risj.com.br
72.232.2.173	PTR	us-dal-dtb-931-ip4.itmnetworks.net
72.232.2.173	A	173.2.232.72.static.reverse.ltdomains.com
72.232.2.173	A	mx2.gd.net.br
72.232.2.180	PTR	us-dal-dtb-962-ip3.itmnetworks.net
72.232.2.188	PTR	us-dal-dtb-961-ip3.itmnetworks.net
72.232.2.188	A	mail.bandapsirico.com.br
72.232.2.188	A	mail.smsfacil.com.br
72.232.2.189	PTR	us-dal-dtb-961-ip4.itmnetworks.net
72.232.2.202	PTR	us-dal-dtb-994-ip1.itmnetworks.net
72.232.2.202	A	carcoins.com
72.232.2.203	PTR	us-dal-dtb-994-ip2.itmnetworks.net
72.232.2.218	PTR	us-dal-dtb-933-ip1.itmnetworks.net
72.232.2.218	A	218.2.232.72.static.reverse.ltdomains.com
72.232.2.247	PTR	us-dal-dtb-94-ip6.itmnetworks.net
72.232.2.247	A	us-ks-gsi-272-a.itmnetworks.net
72.232.2.247	A	us-databank-wd3-smtp.itmnetworks.net
72.232.2.252	PTR	us-dal-dtb-94-ip11.itmnetworks.net
72.232.2.252	A	deepfactory.com
72.232.2.254	PTR	us-dal-dtb-94-ip13.itmnetworks.net
72.232.3.4	PTR	web1.layeredtech.com
72.232.3.4	A	mail.tdd.com.br
72.232.3.5	A	web2.layeredtech.com
72.232.3.8	PTR	www.layeredtech.com
72.232.3.8	A	www.layeredtech.us
72.232.3.8	A	www.layeredtechnologies.com
72.232.3.9	PTR	ltstatus.com
72.232.3.13	A	13.3.232.72.static.reverse.ltdomains.com
72.232.3.24	A	24.3.232.72.static.reverse.ltdomains.com
72.232.3.35	PTR	www.pcnet.com.tr
72.232.3.36	PTR	www.linuxnet.com.tr
72.232.3.59	A+PTR	59.3.232.72.static.reverse.ltdomains.com
72.232.3.66	PTR	grimlock.serversideit.com.au
72.232.3.66	A	griggle.net
72.232.3.74	A	pentagon.fastservers.net
72.232.3.80	PTR	80.3.232.72.static.reverse.ltdomains.com
72.232.3.80	A	www.unconventionalmalta.com
72.232.3.80	A	unconventionalmalta.com
72.232.3.85	A+PTR	85.3.232.72.static.reverse.ltdomains.com
72.232.3.85	A	www.aquaniwater.com
72.232.3.85	A	cordinaoutsidecaterers.com
72.232.3.87	PTR	mail.ypxy.com
72.232.3.120	PTR	farm1.zomm.com
72.232.3.121	A	121.3.232.72.static.reverse.ltdomains.com
72.232.3.123	PTR	zomm.com
72.232.3.124	PTR	zomm.com
72.232.3.124	A	124.3.232.72.static.reverse.ltdomains.com
72.232.3.126	PTR	zomm.com
72.232.3.128	A	128.3.232.72.static.reverse.ltdomains.com
72.232.3.146	PTR	jack-1.rev.jumba.net.au
72.232.3.146	A	ns2.nurventerprises.com.au
72.232.3.159	A	159.3.232.72.static.reverse.ltdomains.com
72.232.3.162	A	ns3.evaluable.net
72.232.3.162	A	ns2.tutorship.info
72.232.3.162	A	ns2.evaluable.net
72.232.3.174	PTR	talkfusion.com
72.232.3.175	PTR	talkfusion.com
72.232.3.176	PTR	talkfusion.com
72.232.3.177	PTR	talkfusion.com
72.232.3.178	PTR	talkfusion.com
72.232.3.179	PTR	talkfusion.com
72.232.3.180	PTR	talkfusion.com
72.232.3.181	PTR	talkfusion.com
72.232.3.182	PTR	talkfusion.com
72.232.3.183	PTR	talkfusion.com
72.232.3.183	A	183.3.232.72.static.reverse.ltdomains.com
72.232.3.184	PTR	talkfusion.com
72.232.3.184	A	184.3.232.72.static.reverse.ltdomains.com
72.232.3.185	PTR	talkfusion.com
72.232.3.186	PTR	talkfusion.com
72.232.3.187	PTR	talkfusion.com
72.232.3.188	PTR	talkfusion.com
72.232.3.189	PTR	talkfusion.com
72.232.3.190	PTR	talkfusion.com
72.232.3.204	A	204.3.232.72.static.reverse.ltdomains.com
72.232.3.205	A	205.3.232.72.static.reverse.ltdomains.com
72.232.3.206	A	206.3.232.72.static.reverse.ltdomains.com
72.232.3.210	A	postpostpost.com
72.232.3.210	A	njcomps.com
72.232.3.210	A	dukeoceangrill.com
72.232.3.211	PTR	211.3.232.72.static.reverse.ltdomains.com
72.232.3.211	A	ifixnj.com
72.232.3.213	PTR	213.3.232.72.static.reverse.ltdomains.com
72.232.3.213	A	agentdisclosure.com
72.232.3.213	A	nychomesearch.com
72.232.3.214	A	buyingnewyorktv.com
72.232.3.218	PTR	weborp.dedicatedplace.com
72.232.3.220	A	mail.swastikudyog.com
72.232.3.235	PTR	ns2-bionic.nsglobalhost.net
72.232.3.251	PTR	ns2.winserversecure.com
72.232.3.254	PTR	ns4.winserversecure.com
72.232.3.254	A	socialxo.com