Robtex

Up: 169.139.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 169.139.0.0/22
Down right: 169.139.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
169.139.1.7	PTR	novahigh.com
169.139.1.7	A+PTR	destiny.browardschools.com
169.139.1.7	A+PTR	it.browardschools.com
169.139.1.8	A+PTR	ns2.browardschools.com
169.139.1.8	A+PTR	ns2.broward.k12.fl.us
169.139.1.8	A+PTR	ns2.broward.k12.fl.us.browardschools.com
169.139.1.10	PTR	ns.browardschools.com
169.139.1.10	PTR	broward.k12.fl.us
169.139.1.10	PTR	ns.broward.k12.fl.us
169.139.1.18	A+PTR	fs.browardschools.com
169.139.1.18	PTR	fs1.browardschools.com
169.139.1.20	A+PTR	sbbc20.broward.k12.fl.us
169.139.1.20	A+PTR	f5ns.browardschools.com
169.139.1.23	A+PTR	etsbb01.broward.k12.fl.us
169.139.1.24	PTR	browardschools.com
169.139.1.25	PTR	browardschools.com
169.139.1.25	A+PTR	bcps.browardschools.com
169.139.1.26	A	research.browardschools.com
169.139.1.27	A	webapp.browardschools.com
169.139.1.29	A	hrms.browardschools.com
169.139.1.32	A+PTR	fcmail.browardschools.com
169.139.1.32	PTR	fcmail.broward.k12.fl.us
169.139.1.34	A	fcgw.broward.k12.fl.us
169.139.1.34	A	cabtest.browardschools.com
169.139.1.35	A+PTR	cab.browardschools.com
169.139.1.35	PTR	cab.broward.k12.fl.us
169.139.1.48	A+PTR	reach.browardschools.com
169.139.1.52	A+PTR	beepadmin.browardschools.com
169.139.1.57	A+PTR	sems2.browardschools.com
169.139.1.59	A+PTR	webappe.browardschools.com
169.139.1.59	A+PTR	webapptest.browardschools.com
169.139.1.60	A+PTR	etsbb03.broward.k12.fl.us
169.139.1.70	PTR	parentlink.browardschools.com
169.139.1.75	PTR	sems.browardschools.com
169.139.1.80	A+PTR	bcpsagenda.browardschools.com
169.139.1.99	A	r2000.broward.k12.fl.us
169.139.1.102	A	tsas.broward.k12.fl.us
169.139.1.106	A	locator2.browardschools.com
169.139.1.107	A	video_old.browardschools.com
169.139.1.113	A	content1.browardschools.com
169.139.1.113	A	video.browardschools.com
169.139.1.114	A+PTR	content2.browardschools.com
169.139.1.115	A+PTR	blogs.browardschools.com
169.139.1.115	PTR	blogs.broward.k12.fl.us
169.139.1.116	PTR	ssms.org
169.139.1.116	PTR	www.ssms.org
169.139.1.123	A+PTR	webphp.browardschools.com
169.139.1.139	A+PTR	spam1.browardschools.com
169.139.1.140	A	spam2.browardschools.com
169.139.1.142	PTR	mail.browardschools.com
169.139.1.142	PTR	smtp.browardschools.com
169.139.1.142	PTR	spamfilter.browardschools.com
169.139.1.150	A	sapsupport.broward.k12.fl.us
169.139.1.158	A	locator.browardschools.com
169.139.1.160	A	compasslearningodyssey.broward.k12.fl.us
169.139.1.161	A+PTR	destiny.browardschools.com
169.139.1.162	A+PTR	sbbc-easypath.browardschools.com
169.139.1.170	A+PTR	ldmg.browardschools.com
169.139.1.170	A+PTR	ess.broward.k12.fl.us
169.139.1.170	A+PTR	hrmsess1w.broward.k12.fl.us
169.139.1.181	A+PTR	beep.browardschools.com
169.139.1.182	A+PTR	earobics.browardschools.com
169.139.1.182	A+PTR	earobics.broward.k12.fl.us
169.139.1.198	A	casdlfmweb.broward.k12.fl.us
169.139.1.216	A	elluminate.browardschools.com
169.139.1.220	A	ctace.browardschools.com
169.139.1.221	A	estore.browardschools.com
169.139.1.227	A	gradebook.browardschools.com
169.139.1.231	A+PTR	mp2.broward.k12.fl.us
169.139.1.232	A	mp3.broward.k12.fl.us
169.139.1.233	A	mp4.broward.k12.fl.us
169.139.1.237	A+PTR	svcelearn.browardschools.com
169.139.1.240	A	psweb.browardschools.com
169.139.1.245	A	erpportal.browardschools.com
169.139.1.245	A	erpportal.broward.k12.fl.us
169.139.1.248	A+PTR	erpportalsbx.browardschools.com
169.139.1.248	A	erpportalsbx.broward.k12.fl.us
169.139.1.249	A	erpportalqas.broward.k12.fl.us
169.139.2.105	A+PTR	gb.browardschools.com
169.139.2.130	A+PTR	scaweb.browardschools.com
169.139.2.204	A	pineridge.browardschools.com
169.139.2.204	A	northlauderdale.browardschools.com
169.139.2.204	A	embassycreek.browardschools.com
169.139.4.194	A	vtc.browardschools.com
169.139.4.196	A	sbbcvcs.browardschools.com
169.139.4.196	A	vcse.browardschools.com