Robtex

Up: 199.38.148.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 199.38.149.0/25
Down right: 199.38.149.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.38.149.1	PTR	www.discovercardtest.com
199.38.149.1	A	novus-optimum.com
199.38.149.1	A	studentdiscovercard.com
199.38.149.4	A	archertprm.discover.com
199.38.149.4	A	thecardforyou.com
199.38.149.5	A	fisofac.discoverfinancial.com
199.38.149.8	A	www.mydiscoverbank.com
199.38.149.11	PTR	www.commercialpayments.discovernetwork.com
199.38.149.11	A+PTR	ssb.discovernetworkvar.com
199.38.149.11	A+PTR	ssb.servicecenter.discovernetwork.com
199.38.149.13	A	deskshop.discovercard.com
199.38.149.16	A	ofx.discovercard.com
199.38.149.23	A	orderfreesignage.com
199.38.149.25	A	www.onediscover.com
199.38.149.29	A+PTR	gwsandbox.discover.com
199.38.149.37	A+PTR	dnbpmaimrw.discovernetwork.com
199.38.149.37	PTR	dnbpmaim.discovernetwork.com
199.38.149.46	A	apis.discover.com
199.38.149.47	A	developer.discover.com
199.38.149.52	PTR	dndisputes.rw.discover.com
199.38.149.52	A+PTR	dndisputesrw.discover.com
199.38.149.52	A	dndisputes.discover.com
199.38.149.64	A	applyfourdiscovercard.com
199.38.149.64	A	discoverannuities.com
199.38.149.64	A	discoverplatinum.com
199.38.149.66	A+PTR	ssb.discovernetwork.com
199.38.149.66	A	discovernetworkproducts.com
199.38.149.66	A	debit.discovernetwork.com
199.38.149.72	A	amazonposrw.discover.com
199.38.149.72	A	amazonpos.discover.com
199.38.149.78	A	discoverhomeloans.com
199.38.149.78	A	www.homeloancenter.com
199.38.149.83	A	dinersclubcash.org
199.38.149.83	A	blog.pulsenetwork.com
199.38.149.85	A	discoveradvancedpayments.com
199.38.149.89	A+PTR	dmssrw.apis.discover.com
199.38.149.89	PTR	dmss.apis.discover.com
199.38.149.89	A	dmss.apis.discover.akadns.net
199.38.149.93	PTR	checkout.apis.discover.com
199.38.149.93	A+PTR	checkoutrw.apis.discover.com
199.38.149.93	A	checkout.apis.discover.akadns.net
199.38.149.100	A	relcomp.discovernetwork.com
199.38.149.105	A	api.discover.com
199.38.149.108	A+PTR	pix2.org
199.38.149.108	PTR	www.pix2.org
199.38.149.108	PTR	bradytest.pix2.org
199.38.149.125	A+PTR	ddapisrw.discover.com
199.38.149.126	A+PTR	pwrrw.apis.discover.com
199.38.149.126	PTR	pwr.apis.discover.com
199.38.149.126	A	pwr.apis.discover.akadns.net
199.38.149.146	A+PTR	rw.pulseview.com
199.38.149.146	A	pulse-view.org
199.38.149.146	A	pulse-view.com
199.38.149.150	A	ftp.discoverstudentloans.com
199.38.149.151	A	dinersclubinternational.com
199.38.149.161	PTR	educationalloancenter.com
199.38.149.161	PTR	faaonlineservices.com
199.38.149.161	PTR	gradschoolloan.com
199.38.149.162	A	mydinersclubadmin.com
199.38.149.167	A	nic.discover
199.38.149.189	A+PTR	devconsolez1-rw.discover.com
199.38.149.189	A	devconsole.discover.com
199.38.149.204	A	freshchat.discover.com
199.38.149.243	A+PTR	ns1.discover.com
199.38.149.244	A+PTR	ns2.discover.com
199.38.149.245	A+PTR	ns1.discovercard.com
199.38.149.246	A+PTR	ns2.discovercard.com