Robtex

Up: 66.9.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.9.0.0/21
Down right: 66.9.8.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.9.1.181	PTR	mail.511nj.org
66.9.1.181	A	icx1-utility31w.w2w.511nj.org
66.9.1.185	A	w2w.511nj.org
66.9.1.198	A+PTR	mailsec.rusa.com
66.9.1.202	A	mail.dussaudadvertising.com
66.9.3.27	PTR	mail.rnrlawgroup.com
66.9.5.10	A	mailer.thirteen.org
66.9.5.11	A	edge.thirteen.org
66.9.5.13	A	outlook.thirteen.org
66.9.5.14	A	ntti.thirteen.org
66.9.5.17	A	genesis.thirteen.org
66.9.5.20	A+PTR	mailer4.thirteen.org
66.9.5.25	A+PTR	fs-wnet01.thirteen.org
66.9.5.26	PTR	media.thirteen.org
66.9.5.26	A	womenwarpeace.net
66.9.5.36	A+PTR	exodus2.thirteen.org
66.9.5.36	A	exodus.thirteen.org
66.9.5.40	A+PTR	membership.thirteen.org
66.9.5.61	A+PTR	ts1.thirteen.org
66.9.5.62	A	ts2.thirteen.org
66.9.5.150	PTR	www.thirteen.org
66.9.5.150	A	13wnet.net
66.9.5.150	A	newyorkwarstories.org
66.9.5.169	A	rds.thirteen.org
66.9.5.235	A	edge-backup.thirteen.org
66.9.6.36	PTR	mail.valiant-ny.com
66.9.6.82	PTR	flatirondata.com
66.9.6.134	A+PTR	icx2-utility11x.data.xcm.org
66.9.6.135	A+PTR	data.xcm.org
66.9.6.135	A	icx2-utility21x.data.xcm.org
66.9.7.244	PTR	mail.yesnetwork.com
66.9.8.13	A+PTR	iapparelgroup.com
66.9.8.124	A	mail.9300realty.com
66.9.10.11	A	mx.evinox.com
66.9.10.34	A+PTR	mom01.intellispace.net
66.9.10.35	A	inarwhal.com
66.9.10.66	A+PTR	mom02.intellispace.net
66.9.10.100	PTR	web1.evinox.haverfordpc.com
66.9.10.100	A	mymealsearch.com
66.9.10.100	A	emilcapital.org
66.9.10.130	A+PTR	east02.intellispace.net
66.9.10.146	A	ny01.intellispace.net
66.9.10.210	A+PTR	east01.intellispace.net
66.9.10.242	A+PTR	ny02.intellispace.net
66.9.11.182	A	0050208.lodgenet.net
66.9.12.35	A	gearboxx.us
66.9.12.37	A	thenapoleongroup.com
66.9.12.37	A	thenapoleongroup.tv
66.9.12.37	A	napoleongroup.nyc
66.9.12.205	A	astorroom.com
66.9.12.206	A+PTR	mail.kaufmanastoria.com
66.9.12.206	A	kasmail1.kaufmanastoria.com
66.9.12.216	A	madultrasonics.com
66.9.13.20	PTR	abc.com
66.9.13.85	PTR	eastwind.mobi
66.9.13.103	A	mail.starmicronics.us
66.9.13.131	PTR	njpress2000.njpa.org
66.9.13.170	A+PTR	smtpgw01.msys.intellispace.net
66.9.13.170	A	inbound-mx1.msys.intellispace.net
66.9.15.52	PTR	barracuda.aiico.com
66.9.15.157	PTR	mail.dda1.com