Robtex

Up: 69.196.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 69.196.231.0/25
Down right: 69.196.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.196.231.0	A	smes.blackboard.com
69.196.231.3	A	txwes-test.blackboard.com
69.196.231.8	A	pcsd-k12.blackboard.com
69.196.231.9	A	tst-blendedschools.blackboard.com
69.196.231.11	PTR	fcpstraining.blackboard.com
69.196.231.11	A	avafp-stage.blackboard.com
69.196.231.18	A	ucc.blackboard.com
69.196.231.22	A	vitalk12.blackboard.com
69.196.231.26	A	suagm.blackboard.com
69.196.231.28	PTR	necceval.blackboard.com
69.196.231.28	A	piedmontcc.blackboard.com
69.196.231.29	A	fvtc.blackboard.com
69.196.231.31	A	fvtcdev.blackboard.com
69.196.231.33	A+PTR	cnm.blackboard.com
69.196.231.33	A	learn.cnm.edu
69.196.231.35	A	icahn-test.blackboard.com
69.196.231.36	A	nfpa.blackboard.com
69.196.231.37	A	oxford.blackboard.com
69.196.231.40	A	bblearndemo.blackboard.com
69.196.231.41	A	mcdaniel.blackboard.com
69.196.231.42	A	fcps9staging.blackboard.com
69.196.231.45	A	albanytech.blackboard.com
69.196.231.46	A	utsa.blackboard.com
69.196.231.47	A+PTR	utsa-test.blackboard.com
69.196.231.48	A	etbu.blackboard.com
69.196.231.49	PTR	ilntemp.blackboard.com
69.196.231.49	A	blackboard.cornell.edu
69.196.231.49	A	cornell.blackboard.com
69.196.231.50	A	qutest.blackboard.com
69.196.231.53	A	morehouse.blackboard.com
69.196.231.54	A	grisd.blackboard.com
69.196.231.55	A	quinnipiac.blackboard.com
69.196.231.57	PTR	fairmontschoolstemp.blackboard.com
69.196.231.57	A	bna.blackboard.com
69.196.231.59	A	cambridgehealth.blackboard.com
69.196.231.60	A	k12stage.blackboard.com
69.196.231.60	A	aventa-stage.blackboard.com
69.196.231.62	A+PTR	lmunet.blackboard.com
69.196.231.63	A	dtcc.blackboard.com
69.196.231.64	A+PTR	ubec.blackboard.com
69.196.231.68	A	cvcc.blackboard.com
69.196.231.69	A	rccc.blackboard.com
69.196.231.71	A	pearsondemo.blackboard.com
69.196.231.72	A+PTR	k12private.blackboard.com
69.196.231.72	A	iqacademywi.blackboard.com
69.196.231.72	A	keystone.blackboard.com
69.196.231.75	A	vsu-test.blackboard.com
69.196.231.76	A	vsu.blackboard.com
69.196.231.77	A	csub2integrationqa2.blackboard.com
69.196.231.79	A	actx.blackboard.com
69.196.231.81	A	aamu.blackboard.com
69.196.231.86	A	rccc-test.blackboard.com
69.196.231.90	A+PTR	lmu2.blackboard.com
69.196.231.90	A	blackboard.lmu.edu
69.196.231.97	A	kctcs-stage.blackboard.com
69.196.231.98	A	westgatech.blackboard.com
69.196.231.100	A+PTR	wiregrass.blackboard.com
69.196.231.101	A+PTR	fscj.blackboard.com
69.196.231.103	A+PTR	nautest.blackboard.com
69.196.231.105	A+PTR	sdsustaging.blackboard.com
69.196.231.109	A+PTR	beaufortccc.blackboard.com
69.196.231.110	A+PTR	ur.blackboard.com
69.196.231.115	A+PTR	hets.blackboard.com
69.196.231.116	A	adp.blackboard.com
69.196.231.117	A+PTR	oftc.blackboard.com
69.196.231.119	A	gwinnetttech.blackboard.com
69.196.231.122	A+PTR	coastalpines.blackboard.com
69.196.231.123	A+PTR	tku.blackboard.com
69.196.231.128	A	monroeccc.blackboard.com
69.196.231.132	A+PTR	dueduap.blackboard.com
69.196.231.132	A	uap.blackboard.com
69.196.231.134	A	maximus.blackboard.com
69.196.231.137	A+PTR	usna.blackboard.com
69.196.231.138	A	metcstaging.blackboard.com
69.196.231.140	A+PTR	laniertech.blackboard.com
69.196.231.141	A	njeis.blackboard.com
69.196.231.141	A	mccc.blackboard.com
69.196.231.142	A	unabvirtual.blackboard.com
69.196.231.149	A+PTR	txwes.blackboard.com
69.196.231.150	A+PTR	txwes-stage.blackboard.com
69.196.231.151	A	azed.blackboard.com
69.196.231.153	A+PTR	uccvirtual.blackboard.com
69.196.231.153	A	ava.uccvirtual.edu.co
69.196.231.153	A	profestic.ucc.edu.co
69.196.231.155	A+PTR	uplift.blackboard.com
69.196.231.156	A	gwutest.blackboard.com
69.196.231.157	A+PTR	up.blackboard.com
69.196.231.158	A+PTR	wit.blackboard.com
69.196.231.161	A+PTR	redentor.blackboard.com
69.196.231.162	A	ivystaging.blackboard.com
69.196.231.163	A+PTR	tamiu-test.blackboard.com
69.196.231.166	A+PTR	ean.blackboard.com
69.196.231.166	A	virtual.universidadean.edu.co
69.196.231.171	A+PTR	southeasterntech.blackboard.com
69.196.231.174	A+PTR	usergioarboleda.blackboard.com
69.196.231.176	A	centralgatech.blackboard.com
69.196.231.178	A+PTR	abqca.blackboard.com
69.196.231.183	A+PTR	kysu.blackboard.com
69.196.231.184	A+PTR	savannahtech.blackboard.com
69.196.231.186	A+PTR	columbustech.blackboard.com
69.196.231.188	A+PTR	saintpeters.blackboard.com
69.196.231.192	A+PTR	southernregional.blackboard.com
69.196.231.194	A	gptc.blackboard.com
69.196.231.195	A	duqdev.blackboard.com
69.196.231.197	A+PTR	georgian.blackboard.com
69.196.231.198	A	hse.blackboard.com
69.196.231.199	A+PTR	floydkyschools.blackboard.com
69.196.231.201	A+PTR	faculdadeatenas.blackboard.com
69.196.231.202	A	rjuhsd.blackboard.com
69.196.231.204	A	lcsc.blackboard.com
69.196.231.206	A+PTR	grayson.blackboard.com
69.196.231.208	A+PTR	edsisolutions.blackboard.com
69.196.231.208	A	amplifyae.blackboard.com
69.196.231.209	A+PTR	sbuniv.blackboard.com
69.196.231.210	A+PTR	nu.blackboard.com
69.196.231.210	A	courses.cityu.edu
69.196.231.211	A+PTR	csusb.blackboard.com
69.196.231.213	A	su.blackboard.com
69.196.231.217	A	dorchester2.blackboard.com
69.196.231.219	A	onlinehs.blackboard.com
69.196.231.222	A	usma.blackboard.com
69.196.231.223	A	hoper.blackboard.com
69.196.231.224	A+PTR	uniamerica.blackboard.com
69.196.231.226	A	ncmich.blackboard.com
69.196.231.229	A	socccd-stage2.blackboard.com
69.196.231.229	A	socccdtest.blackboard.com
69.196.231.230	A+PTR	sunyjccstaging.blackboard.com
69.196.231.232	A+PTR	ccrms.blackboard.com
69.196.231.235	A	uni-anhanguera.blackboard.com
69.196.231.236	A+PTR	alcorn.blackboard.com
69.196.231.238	A+PTR	unipac-mariana.blackboard.com
69.196.231.240	A+PTR	institutomora.blackboard.com
69.196.231.241	A+PTR	jcpsonline.blackboard.com
69.196.231.241	A	jcps.blackboard.com
69.196.231.241	A	jcpseschool.blackboard.com
69.196.231.246	A	unilavras.blackboard.com
69.196.231.248	A	tamuccstaging.blackboard.com
69.196.231.249	A+PTR	baraodemaua.blackboard.com
69.196.231.251	A+PTR	ndcl.blackboard.com