Robtex

Up: 46.183.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 46.183.241.0/25
Down right: 46.183.241.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.183.241.4	A	mybucks-test.blackboard.com
46.183.241.6	A+PTR	spiruharetams.blackboard.com
46.183.241.6	A	bb.spiruharet.ro
46.183.241.6	A	ush.blackboard.com
46.183.241.9	A	hsleiden-tst.blackboard.com
46.183.241.11	A+PTR	iadt.blackboard.com
46.183.241.12	A	unn.blackboard.com
46.183.241.13	A	ieu.blackboard.com
46.183.241.14	A	biust.blackboard.com
46.183.241.16	A	aston.blackboard.com
46.183.241.17	A+PTR	aston-test.blackboard.com
46.183.241.18	A	eiffeldemo.blackboard.com
46.183.241.18	A	unisa.blackboard.com
46.183.241.19	A+PTR	brighton-stage.blackboard.com
46.183.241.25	A+PTR	hanze.blackboard.com
46.183.241.28	A	gcal-test.blackboard.com
46.183.241.29	A	bestdealinsurance.blackboard.com
46.183.241.30	A	irishtaxinstitute.blackboard.com
46.183.241.32	A+PTR	hanze-test.blackboard.com
46.183.241.33	A	uwl.blackboard.com
46.183.241.35	A+PTR	unav.blackboard.com
46.183.241.35	A	aula-virtual.unav.edu
46.183.241.36	A	iese-stage.blackboard.com
46.183.241.37	A	uj.blackboard.com
46.183.241.38	A	ada.blackboard.com
46.183.241.40	A+PTR	institute-of-fundraising.blackboard.com
46.183.241.40	A	afpnet.blackboard.com
46.183.241.41	A+PTR	ucat.blackboard.com
46.183.241.41	A	kau.blackboard.com
46.183.241.41	A	icatt.unicatt.it
46.183.241.42	PTR	kautest.blackboard.com
46.183.241.47	A+PTR	vut.blackboard.com
46.183.241.48	A+PTR	bristol.blackboard.com
46.183.241.49	A	ku.blackboard.com
46.183.241.50	A	ceu.blackboard.com
46.183.241.50	A	uch.blackboard.com
46.183.241.52	A+PTR	escpeurope.blackboard.com
46.183.241.53	A+PTR	uhasselt.blackboard.com
46.183.241.55	A+PTR	etfinpro.blackboard.com
46.183.241.56	PTR	laureate-europe.blackboard.com
46.183.241.56	A	realmadridue.blackboard.com
46.183.241.63	A+PTR	unikemia.blackboard.com
46.183.241.66	A+PTR	ji.blackboard.com
46.183.241.70	PTR	saxion-test.blackboard.com
46.183.241.71	A+PTR	zirve.blackboard.com
46.183.241.74	A+PTR	sheffield-staging.blackboard.com
46.183.241.75	A+PTR	sheffield.blackboard.com
46.183.241.75	A	vle.shef.ac.uk
46.183.241.77	A+PTR	bradford.blackboard.com
46.183.241.77	A	blackboard.brad.ac.uk
46.183.241.80	A+PTR	kabarak.blackboard.com
46.183.241.83	A	ucc-ie.blackboard.com
46.183.241.85	A+PTR	miuc.blackboard.com
46.183.241.88	A+PTR	nuigalway-staging.blackboard.com
46.183.241.89	A	hec.blackboard.com
46.183.241.95	A+PTR	kedgebs.blackboard.com
46.183.241.97	A+PTR	univen-test.blackboard.com
46.183.241.98	A+PTR	univen.blackboard.com
46.183.241.101	A+PTR	iie-es.blackboard.com
46.183.241.102	A+PTR	mef.blackboard.com
46.183.241.104	A+PTR	istanbul.blackboard.com
46.183.241.108	A+PTR	maltepe.blackboard.com
46.183.241.121	A	eipm.blackboard.com
46.183.241.124	A	iba.blackboard.com
46.183.241.130	A+PTR	hacettepe.blackboard.com
46.183.241.130	A	blackboard.hacettepe.edu.tr
46.183.241.134	A+PTR	unisg.blackboard.com
46.183.241.152	A+PTR	usw.blackboard.com
46.183.241.153	A	pos.blackboard.com
46.183.241.159	A+PTR	mbsc.blackboard.com
46.183.241.165	A+PTR	dtu.blackboard.com
46.183.241.169	A+PTR	uem.blackboard.com
46.183.241.169	A	europeia.blackboard.com
46.183.241.169	A	uec.blackboard.com
46.183.241.170	A+PTR	uem-test.blackboard.com
46.183.241.171	A+PTR	uclb.blackboard.com
46.183.241.173	A+PTR	ccipidf2.blackboard.com
46.183.241.173	A	francais3-0.blackboard.com
46.183.241.177	A	lexisnexisst.blackboard.com
46.183.241.181	A	lms.blackboard.com
46.183.241.183	A+PTR	jrc-test.blackboard.com
46.183.241.185	A+PTR	europeia2.blackboard.com
46.183.241.185	A	learn.bilgi.edu.tr
46.183.241.194	A	ntnu.blackboard.com
46.183.241.196	A+PTR	orebro-staging.blackboard.com
46.183.241.200	A	uop.blackboard.com
46.183.241.209	A+PTR	alqasimia.blackboard.com
46.183.241.214	A+PTR	northumbria.blackboard.com
46.183.241.218	A+PTR	ulster.blackboard.com
46.183.241.218	A	learning.ulster.ac.uk
46.183.241.220	A+PTR	juridicum.blackboard.com
46.183.241.224	A+PTR	esiee.blackboard.com
46.183.241.238	A	cumbria.blackboard.com
46.183.241.238	A	mylearning.cumbria.ac.uk