Robtex

Up: 69.196.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 69.196.230.0/25
Down right: 69.196.230.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.196.230.0	A	canadianisd.blackboard.com
69.196.230.12	A	sjcny.blackboard.com
69.196.230.13	A+PTR	mhhe.blackboard.com
69.196.230.13	A+PTR	prositestest.blackboard.com
69.196.230.16	A	hudsonccc.blackboard.com
69.196.230.17	A	duqtest.blackboard.com
69.196.230.18	A	ollusa.blackboard.com
69.196.230.18	A	www.rvs.blackboard.com
69.196.230.19	PTR	howard2.blackboard.com
69.196.230.19	A	blackboard.howard.edu
69.196.230.19	A	howard.blackboard.com
69.196.230.20	A+PTR	clpccd.blackboard.com
69.196.230.21	A	strayeronlinestage2.blackboard.com
69.196.230.22	A+PTR	merrimack.blackboard.com
69.196.230.23	A	gvtc-stage.blackboard.com
69.196.230.24	A+PTR	ibmec-teste.blackboard.com
69.196.230.25	A+PTR	igti.blackboard.com
69.196.230.26	PTR	apcstg-167450-178905-lbvip02.mhint
69.196.230.26	A+PTR	cpdlf.blackboard.com
69.196.230.27	A	i-uma.blackboard.com
69.196.230.28	A	ibmec.blackboard.com
69.196.230.29	A	fcps1.blackboard.com
69.196.230.31	A+PTR	uta-stage.blackboard.com
69.196.230.33	A+PTR	fnu.blackboard.com
69.196.230.34	A	rio.blackboard.com
69.196.230.35	A+PTR	wbu-staging.blackboard.com
69.196.230.36	A	commnet-learn.blackboard.com
69.196.230.38	A	southernmissstaging.blackboard.com
69.196.230.42	PTR	latin.blackboard.com
69.196.230.43	A	butte.blackboard.com
69.196.230.44	A	bb-pulaskitech.blackboard.com
69.196.230.46	PTR	tstc.blackboard.com
69.196.230.46	A+PTR	wbu.blackboard.com
69.196.230.47	A+PTR	rochester.blackboard.com
69.196.230.49	A+PTR	courtslearn.blackboard.com
69.196.230.52	A	regenttest.blackboard.com
69.196.230.53	A	rushtest.blackboard.com
69.196.230.54	A	chattahoocheetech.blackboard.com
69.196.230.55	A	gadsdenstate.blackboard.com
69.196.230.56	A	riohondotest.blackboard.com
69.196.230.59	A	integrationtest1.blackboard.com
69.196.230.62	A	faytechcctest.blackboard.com
69.196.230.64	A	kleinisd.blackboard.com
69.196.230.67	A	scccdtest.blackboard.com
69.196.230.70	A	fbmg.blackboard.com
69.196.230.71	A	online.mbts.edu
69.196.230.74	PTR	umc2.blackboard.com
69.196.230.74	A	unigranrio.blackboard.com
69.196.230.76	PTR	andover.blackboard.com
69.196.230.76	A	cscc.blackboard.com
69.196.230.76	A	courses.cscc.edu
69.196.230.79	PTR	erautemp.blackboard.com
69.196.230.79	A	epcc.blackboard.com
69.196.230.79	A	online.epcc.edu
69.196.230.82	A+PTR	sunyjefferson.blackboard.com
69.196.230.83	A+PTR	neu.blackboard.com
69.196.230.83	A	blackboard.neu.edu
69.196.230.84	A+PTR	demosan.blackboard.com
69.196.230.85	A+PTR	ctc.blackboard.com
69.196.230.86	A+PTR	northwood.blackboard.com
69.196.230.86	A	my.northwood.edu
69.196.230.87	A	marybaldwin.blackboard.com
69.196.230.89	A	outcomesevalmb03.blackboard.com
69.196.230.89	A	outcomesevalmb.blackboard.com
69.196.230.90	A	enmuu.blackboard.com
69.196.230.92	A	clpccdtest.blackboard.com
69.196.230.93	A	bsuonline.blackboard.com
69.196.230.95	A+PTR	indianhills.blackboard.com
69.196.230.96	A+PTR	hancockcollege.blackboard.com
69.196.230.98	A	wilmutest.blackboard.com
69.196.230.99	A+PTR	interbb.blackboard.com
69.196.230.100	A	ipek.blackboard.com
69.196.230.100	A	psu.blackboard.com
69.196.230.101	A	suagm-staging.blackboard.com
69.196.230.102	A	kingscash.blackboard.com
69.196.230.103	A+PTR	pointpark.blackboard.com
69.196.230.104	A	tcctest.blackboard.com
69.196.230.105	A	auc.blackboard.com
69.196.230.106	A	rmu.blackboard.net
69.196.230.106	A	rmu.blackboard.com
69.196.230.107	A	southernmiss.blackboard.com
69.196.230.108	A+PTR	bb-pcc.blackboard.com
69.196.230.109	A	schilleronline.blackboard.com
69.196.230.110	A	uniaraxa.blackboard.com
69.196.230.111	A	unidep.blackboard.com
69.196.230.113	A+PTR	tarletontest.blackboard.com
69.196.230.114	A	aimspecialtyhealth.blackboard.com
69.196.230.115	A	tcc.blackboard.com
69.196.230.117	A+PTR	uia.blackboard.com
69.196.230.117	A	www.blackboard.uia.mx
69.196.230.118	A	covance.blackboard.com
69.196.230.120	A	cbsd.blackboard.com
69.196.230.122	A+PTR	anahuac.blackboard.com
69.196.230.123	A+PTR	css2.blackboard.com
69.196.230.123	A	courses.css.edu
69.196.230.124	A	uams.blackboard.com
69.196.230.127	A+PTR	clev.blackboard.com
69.196.230.128	PTR	westinghouse-eval.blackboard.com
69.196.230.128	A	snm.blackboard.com
69.196.230.128	A	spacapacitacion.blackboard.com
69.196.230.129	A+PTR	gmutemp.blackboard.com
69.196.230.130	A	cdrewu.blackboard.com
69.196.230.132	A+PTR	ehsbr.blackboard.com
69.196.230.133	A	qcc.blackboard.com
69.196.230.134	A+PTR	nnmc.blackboard.com
69.196.230.135	A+PTR	uaptemp-2016q2.blackboard.com
69.196.230.137	A	elearning.villanova.edu
69.196.230.137	A	villanova.blackboard.com
69.196.230.138	A	policia.blackboard.com
69.196.230.142	A+PTR	lunabb.blackboard.com
69.196.230.145	A+PTR	avafp.blackboard.com
69.196.230.149	PTR	nops.blackboard.com
69.196.230.149	A	opsb.blackboard.com
69.196.230.150	A+PTR	uees.blackboard.com
69.196.230.151	A	uttpilot.blackboard.com
69.196.230.151	A	utt.blackboard.com
69.196.230.152	A+PTR	usc.blackboard.com
69.196.230.152	A	blackboard.sc.edu
69.196.230.153	A	training.blackboard.com
69.196.230.155	A	pvasd.blackboard.com
69.196.230.156	A	contentpartnersas8.blackboard.com
69.196.230.157	A	contentpartnersvista4.blackboard.com
69.196.230.158	A	contentpartnersas6.blackboard.com
69.196.230.159	A	contentpartnersce6.blackboard.com
69.196.230.162	A	cengageintegrationqa2.blackboard.com
69.196.230.163	A	proeddemo.blackboard.com
69.196.230.164	A+PTR	cnu.blackboard.com
69.196.230.165	PTR	prosites.blackboard.com
69.196.230.165	A	teflinstitute.blackboard.com
69.196.230.165	A	techlearningspace.blackboard.com
69.196.230.166	A+PTR	learn.idahodigitallearning.org
69.196.230.166	A	idlatest.blackboard.com
69.196.230.166	A	idlaprod.blackboard.com
69.196.230.167	A	westinghousenuclear.blackboard.com
69.196.230.168	A	pisdeschool.blackboard.com
69.196.230.170	A+PTR	fcps.blackboard.com
69.196.230.171	A	keyaccessinstitute.blackboard.com
69.196.230.172	A	test-usc.blackboard.com
69.196.230.173	A	lesleytest6.blackboard.com
69.196.230.175	A+PTR	paine-test.blackboard.com
69.196.230.176	A	sooner1card.blackboard.com
69.196.230.178	A	rictest.blackboard.com
69.196.230.179	A	chalkboxdemo.blackboard.com
69.196.230.180	A	niagaratest.blackboard.com
69.196.230.183	PTR	bellevue-test.blackboard.com
69.196.230.183	A+PTR	bellevue.blackboard.com
69.196.230.184	A	northwoodstaging2.blackboard.com
69.196.230.187	A+PTR	tarleton.blackboard.com
69.196.230.187	A	blackboardlearn.tarleton.edu
69.196.230.191	A+PTR	erautest.blackboard.com
69.196.230.192	A	sctech.blackboard.com
69.196.230.193	A	setonhallstaging.blackboard.com
69.196.230.194	A	westwoodadmin.blackboard.com
69.196.230.196	A+PTR	gwu.blackboard.com
69.196.230.196	A	www.bb.gwu.edu
69.196.230.196	A	www.blackboard.gwu.edu
69.196.230.198	A	pcssd.blackboard.com
69.196.230.199	A+PTR	nasfm-test.blackboard.com
69.196.230.200	A	csstest2.blackboard.com
69.196.230.201	A	ualearntest.blackboard.com
69.196.230.204	A	post-tst.blackboard.com
69.196.230.204	A	oei-tst.blackboard.com
69.196.230.205	A	kctcs.blackboard.com
69.196.230.205	A	elearning.kctcs.edu
69.196.230.206	A+PTR	gusd.blackboard.com
69.196.230.207	A	moreheadstate-bb9.blackboard.com
69.196.230.208	A	ljcds.blackboard.com
69.196.230.210	A	tritontest.blackboard.com
69.196.230.211	A+PTR	hom-senacsp.blackboard.com
69.196.230.214	A	teste-senacsp.blackboard.com
69.196.230.215	A	flvirtualtest.blackboard.com
69.196.230.217	A	bristolcc.blackboard.com
69.196.230.218	A	ecsustage.blackboard.com
69.196.230.219	A+PTR	vcu.blackboard.com
69.196.230.219	A	blackboard.vcu.edu
69.196.230.220	A	qcctest.blackboard.com
69.196.230.221	A	bartow.blackboard.com
69.196.230.222	A	spiritproject.blackboard.com
69.196.230.223	A+PTR	ualearnstaging.blackboard.com
69.196.230.224	A	kleinisdtest.blackboard.com
69.196.230.226	A	brandmanrestore.blackboard.com
69.196.230.230	A	bsutest.blackboard.com
69.196.230.231	A	socccdstaging.blackboard.com
69.196.230.232	A	macomb.blackboard.com
69.196.230.233	A	cengageintegrationdev.blackboard.com
69.196.230.236	A+PTR	wileyintegrationdev.blackboard.com
69.196.230.238	A	macmillanintegrationqa1.blackboard.com
69.196.230.239	A	csub2integrationqa9.blackboard.com
69.196.230.240	A	smcm-test.blackboard.com
69.196.230.241	A	pearsonintegrationqa2.blackboard.com
69.196.230.242	A	wileyintegrationqa3.blackboard.com
69.196.230.243	A+PTR	metc.blackboard.com
69.196.230.243	A	www.metc.hcs.blackboard.com
69.196.230.243	A	www.metc.combatmedic.blackboard.com
69.196.230.244	A	pearsonintegrationqa1.blackboard.com
69.196.230.247	A+PTR	gwustaging.blackboard.com
69.196.230.248	A	nwciowa.blackboard.com
69.196.230.249	A+PTR	senacsp.blackboard.com
69.196.230.249	A+PTR	senacsp-corporativo.blackboard.com
69.196.230.249	A	senac.blackboard.com
69.196.230.251	A+PTR	uniteconline-stage.blackboard.com
69.196.230.252	A	siena.blackboard.com
69.196.230.253	A	xavier.blackboard.com
69.196.230.254	A+PTR	mvcc.blackboard.com