Robtex

Up: 208.123.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.123.72.0/23
Down right: 208.123.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.123.73.18	PTR	forum.pfsense.org
208.123.73.18	A	www1.atx.pfmechanics.com
208.123.73.21	PTR	bohica.epeolatry.net
208.123.73.22	PTR	neo.epeolatry.net
208.123.73.22	A	sdavis.us
208.123.73.22	A	tanlora.com
208.123.73.24	A	swifthoundbows.com
208.123.73.24	A	ecnnet.org
208.123.73.24	A	ns.freeside.com
208.123.73.29	A	skinnydog.org
208.123.73.37	A	store.netgate.com
208.123.73.68	PTR	www1.atx.pfmechanics.com
208.123.73.68	A	doc.pfsense.org
208.123.73.69	A+PTR	www.pfsense.org
208.123.73.69	A	pfsense.com
208.123.73.69	A	www2.atx.pfmechanics.com
208.123.73.73	A	store.netgate.com
208.123.73.73	A	netgate.com
208.123.73.73	A	netgate.biz
208.123.73.78	A	lists.pfsense.org
208.123.73.79	PTR	customercare.netgate.com
208.123.73.79	A	mail.pfsense.org
208.123.73.79	A	mail.livebsd.com
208.123.73.80	A	ns1.netgate.com
208.123.73.80	A	beta.pfsense.org
208.123.73.81	A	files.atx.pfsense.org
208.123.73.82	PTR	snapshots.atx.pfmechanics.com
208.123.73.82	A	updates.atx.pfmechanics.com
208.123.73.84	A+PTR	www.netgate.com
208.123.73.84	A	netgate.com
208.123.73.85	A	www.firmware.netgate.com
208.123.73.85	A	firmware.netgate.com
208.123.73.88	A+PTR	packages.atx.pfmechanics.com
208.123.73.88	A	packages.pfsense.org
208.123.73.91	PTR	db3.netgate.com
208.123.73.91	A	magic.pfmechanics.com
208.123.73.91	A	magic.havensystech.com
208.123.73.93	PTR	nrdm.netgate.com
208.123.73.93	A	acb.netgate.com
208.123.73.93	A	ews.netgate.com
208.123.73.148	A	cmb.xyz
208.123.73.151	A	mail.jdl.com
208.123.73.151	A	mylo.jdl.com
208.123.73.151	A	mail.centraltexaswineguild.org
208.123.73.199	A+PTR	forum.netgate.com
208.123.74.6	A+PTR	fermentable.org
208.123.74.6	A	mail.fermentable.org
208.123.74.7	PTR	jdl.com
208.123.74.8	A	mail.pastandpeasant.com
208.123.74.9	A+PTR	threehawksgames.com
208.123.74.9	A	mail.threehawksgames.com
208.123.74.10	A+PTR	threehawkswinery.com
208.123.74.13	PTR	gono.com
208.123.74.13	A	travel.nostalgiaville.com
208.123.74.24	PTR	cd2.galeandhall.com
208.123.74.33	PTR	mikey.imakeurmark.com
208.123.74.37	PTR	dns.foodserve.com
208.123.74.38	PTR	jcsweb2.jcssecure.net
208.123.74.38	A	mail.montanainvestigative.com
208.123.74.39	A	allmanager.info
208.123.74.39	A	allmanager.us
208.123.74.39	A	allmanager.biz
208.123.74.44	A	fsspos.com
208.123.74.44	A	gobanana.com
208.123.74.44	A	www.gobanana.com
208.123.74.55	PTR	testme.com
208.123.74.71	PTR	ns1.foodserve.com
208.123.74.74	A	archethought.net
208.123.75.65	PTR	net208-123-75-65.static-customer.corenap.com
208.123.75.65	A	www.soccer-soul.com
208.123.75.65	A	soccer-soul.com
208.123.75.66	PTR	mail-66.braindogbrands.com
208.123.75.66	A	emvante.com
208.123.75.68	PTR	mail-68.braindogbrands.com
208.123.75.68	A	flipvenue.com
208.123.75.73	PTR	mail-73.braindogbrands.com
208.123.75.73	A	www.hollywoodnightstyle.com
208.123.75.73	A	hollywoodnightstyle.com
208.123.75.83	PTR	mail-83.braindogbrands.com
208.123.75.249	PTR	net208-123-75-249.static-customer.corenap.com