Robtex

Up: 69.196.240.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 69.196.242.0/24
Down right: 69.196.243.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.196.242.1	PTR	bbpd.io
69.196.242.3	PTR	teststats.blackboard.com
69.196.242.11	A+PTR	teststats.blackboard.com
69.196.242.11	A	aspstats.blackboard.com
69.196.242.68	A	nekro.blackboard.com
69.196.242.69	A	scar.blackboard.com
69.196.242.82	PTR	dnsmaster01-mip.mhint
69.196.242.82	A	dnsmaster01.blackboard.com
69.196.242.86	A	baker-analyzer.blackboard.com
69.196.242.129	A	mail-admin.blackboard.com
69.196.242.131	A+PTR	mail-relay1-cse1.blackboard.com
69.196.242.131	A	mail-relay131.va3.blackboard.com
69.196.242.131	A	mail-relay-cse1.blackboard.com
69.196.242.132	A	mail-relay132.va3.blackboard.com
69.196.242.136	A+PTR	mail-relay6-cse1.blackboard.com
69.196.242.136	A	mail-relay-cse1.blackboard.com
69.196.242.136	A	mail-relay-va3.blackboard.com
69.196.242.138	A	mail-relay8-cse1.blackboard.com
69.196.242.139	A	mail-relay9-cse1.blackboard.com
69.196.242.140	A	mail-relay10-cse1.blackboard.com
69.196.242.142	A	eth2-0-fw1-1-cse1.blackboard.com
69.196.242.145	A	ve3-vrrp-gw1-cse1.blackboard.com
69.196.242.146	A	ve3-gw1-cse1.blackboard.com
69.196.242.147	A	ve3-gw2-cse1.blackboard.com
69.196.242.158	A	eth0-0-fw1-1-cse1.blackboard.com
69.196.242.215	PTR	fgprd-itgplatform-services-app001-eth1.mhint
69.196.242.215	A+PTR	oncall.blackboard.com
69.196.242.220	A+PTR	ns2.blackboard.com
69.196.243.64	A+PTR	cunisanjuan.blackboard.com
69.196.243.68	A+PTR	nsuok.blackboard.com
69.196.243.69	A+PTR	snhustage3.blackboard.com
69.196.243.70	A+PTR	fresenius.blackboard.com
69.196.243.73	A+PTR	daytonacollege.blackboard.com
69.196.243.76	A+PTR	palomartest.blackboard.com
69.196.243.82	A	blackboard-test-ct.blackboard.com
69.196.243.82	A	learntestcollab.ct.edu
69.196.243.83	PTR	blackboard-ct.blackboard.com
69.196.243.83	A	ct-ecsu.blackboard.com
69.196.243.83	A	ct-cc.blackboard.com
69.196.243.88	A	mcphs.blackboard.com
69.196.243.89	PTR	fhsu.blackboard.com
69.196.243.89	A	blackboard.fhsu.edu
69.196.243.93	A	sceis.blackboard.com
69.196.243.97	A+PTR	senaintro.blackboard.com
69.196.243.98	A+PTR	parkridgeschool.blackboard.com
69.196.243.99	A	irsc.blackboard.com
69.196.243.101	A+PTR	fhsu-test.blackboard.com
69.196.243.102	A+PTR	stockton.blackboard.com
69.196.243.105	A+PTR	tvs.blackboard.com
69.196.243.109	A+PTR	cctest.blackboard.com
69.196.243.111	PTR	cypresscollege.blackboard.com
69.196.243.112	A	marista.blackboard.com
69.196.243.113	A+PTR	rowansom.blackboard.com
69.196.243.114	A+PTR	teste-marista.blackboard.com
69.196.243.116	A+PTR	caldwell.blackboard.com
69.196.243.119	A+PTR	duvalschools.blackboard.com
69.196.243.122	A	tamiu.blackboard.com
69.196.243.125	A	usuniversity.blackboard.com
69.196.243.126	A+PTR	mccneb.blackboard.com
69.196.243.126	A	blackboard.mccneb.edu
69.196.243.127	A	miamitest.blackboard.com
69.196.243.134	A+PTR	irscstaging.blackboard.com
69.196.243.136	A	bb9.drake.edu
69.196.243.136	A	drake.blackboard.com
69.196.243.141	A+PTR	nau-stage.blackboard.com
69.196.243.142	A+PTR	stlcc-stage.blackboard.com
69.196.243.143	A	aulavirtual.upc.edu.pe
69.196.243.144	A+PTR	unipac-barbacena.blackboard.com
69.196.243.145	A	idealstage.blackboard.com
69.196.243.148	A+PTR	neric.blackboard.com
69.196.243.149	A	uti-test.blackboard.com
69.196.243.151	A+PTR	dine.blackboard.com
69.196.243.156	A	blackboard.american.edu
69.196.243.156	A	american.blackboard.com
69.196.243.157	A	vahealthadmin.blackboard.com
69.196.243.159	A	mcphstest.blackboard.com
69.196.243.161	A	ursulinedallas.blackboard.com
69.196.243.167	A+PTR	tangischools.blackboard.com
69.196.243.170	A+PTR	tccc.blackboard.com
69.196.243.170	A	kc.blackboard.com
69.196.243.170	A	ntcc.blackboard.com
69.196.243.171	A	mhhestaging4.blackboard.com
69.196.243.174	A+PTR	tecmilenio.blackboard.com
69.196.243.176	A+PTR	dbu.blackboard.com
69.196.243.181	A+PTR	newtonpaiva.blackboard.com
69.196.243.181	A	logus.blackboard.com
69.196.243.182	A+PTR	findeter.blackboard.com
69.196.243.183	A+PTR	unipacgv.blackboard.com
69.196.243.188	A	se1demo.blackboard.com
69.196.243.189	A+PTR	laureatebrasilstaging.blackboard.com
69.196.243.196	PTR	pupr.blackboard.com
69.196.243.207	A+PTR	unipac-conselheirolafaiete.blackboard.com
69.196.243.213	A	se2demo.blackboard.com
69.196.243.214	A	myasuprod.blackboard.com
69.196.243.218	A+PTR	unr.blackboard.com
69.196.243.219	A+PTR	reportabusepa.blackboard.com
69.196.243.219	A	reportabusepa.pitt.edu
69.196.243.219	A	www.reportabusepa.pitt.edu
69.196.243.221	A+PTR	uca-test.blackboard.com
69.196.243.222	A+PTR	uti-staging.blackboard.com
69.196.243.223	PTR	acc2.blackboard.com
69.196.243.223	A	westcoastuniversity.blackboard.com
69.196.243.223	A	learn.westcoastuniversity.edu
69.196.243.224	A+PTR	uca.blackboard.com
69.196.243.225	A+PTR	isd622.blackboard.com
69.196.243.226	A+PTR	stmaryk12.blackboard.com
69.196.243.227	PTR	ultimatesoftware.blackboard.com
69.196.243.230	A+PTR	adams-clone.blackboard.com
69.196.243.231	A+PTR	bergencatholic.blackboard.com
69.196.243.232	A+PTR	princeton.blackboard.com
69.196.243.232	A	blackboard.princeton.edu
69.196.243.236	A+PTR	dcccds.blackboard.com
69.196.243.240	A+PTR	astate-staging.blackboard.com
69.196.243.241	A	brazcubas.blackboard.com
69.196.243.245	A+PTR	abmesvirtual.blackboard.com
69.196.243.247	A+PTR	trainingsandbox.blackboard.com
69.196.243.250	A+PTR	kean.blackboard.com
69.196.243.250	A	blackboard.kean.edu
69.196.243.252	A	medpartnershimed.blackboard.com