Robtex

Up: 65.222.180.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 65.222.180.0/24
Down right: 65.222.181.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.222.180.15	A+PTR	corpnat.costar.com
65.222.180.17	A	mail.ppr.info
65.222.180.23	A	ctx.costar.com
65.222.180.26	A	contractor.costar.com
65.222.181.1	A	dcwebdbgw.costar.com
65.222.181.2	A	dcwebdbgw1.costar.com
65.222.181.3	A	dcwebdbgw2.costar.com
65.222.181.8	A+PTR	ns1.bizquest.com
65.222.181.8	A+PTR	ns1.costar.com
65.222.181.8	A+PTR	ns1.bizbuysell.net
65.222.181.9	A+PTR	ns3.costar.com
65.222.181.10	A+PTR	dcltm.costar.com
65.222.181.11	A	dcltm1.costar.com
65.222.181.12	A+PTR	dcltm2.costar.com
65.222.181.18	A	ns3.costar.com
65.222.181.20	A+PTR	pds1.costar.com
65.222.181.20	A	t3-pds1.costar.com
65.222.181.20	A	t2-pds1.costar.com
65.222.181.29	A+PTR	mxa1.costar.com
65.222.181.29	A+PTR	mxa1.frostypuppy.com
65.222.181.31	PTR	dcmxprd512.costar.com
65.222.181.31	A+PTR	csgpi.costargroup.com
65.222.181.32	A	testportalcmsnew.costar.com
65.222.181.33	A	testportalcms.costar.com
65.222.181.43	PTR	www-01.prd.westsiderentals.com
65.222.181.43	A	westsiderentals.com
65.222.181.46	A	ahprdvip.costar.com
65.222.181.53	A	smtp1.costar.com
65.222.181.58	A	smtp.showcase.com
65.222.181.98	A+PTR	origin-www-dc.costar.com
65.222.181.98	A+PTR	showcase-tst-rele-01.costar.com
65.222.181.99	A	roversync.costar.com
65.222.181.101	A	costarconnect.com
65.222.181.103	A+PTR	ipl.costar.com
65.222.181.105	A	videowall.costar.com
65.222.181.105	A	testcostarjobs.costar.com
65.222.181.107	A+PTR	property.costar.com
65.222.181.108	PTR	costar.asia
65.222.181.108	PTR	costargroup.cn
65.222.181.108	PTR	comps.com
65.222.181.113	A+PTR	wfilter.costar.com
65.222.181.113	PTR	wwwul.costar.com
65.222.181.113	PTR	leasecomps-01.costar.com
65.222.181.116	A+PTR	csg.costar.com
65.222.181.118	A	tstproduct2011.costar.com
65.222.181.118	A	testproduct2011.costar.com
65.222.181.119	A+PTR	testconnect2011.costar.com
65.222.181.119	A+PTR	tstconnect2011.costar.com
65.222.181.120	PTR	frtelemetry01.costar.com
65.222.181.120	PTR	marketanalyticsservice.costar.com
65.222.181.120	PTR	marketanalyticsservices.costar.com
65.222.181.125	A+PTR	comps2.costar.com
65.222.181.125	PTR	av.costar.com
65.222.181.127	A	media.costar.com
65.222.181.128	A+PTR	proxy.connect.costar.com
65.222.181.128	A	connect.costar.com
65.222.181.132	A+PTR	gateway.costar.com
65.222.181.132	A	gateway-01.costar.com
65.222.181.133	A	ahtstvip.costar.com
65.222.181.135	A+PTR	www.costar.com
65.222.181.135	A+PTR	www1new.costar.com
65.222.181.135	A+PTR	www1.costargroup.com
65.222.181.138	PTR	www.comps.com
65.222.181.138	A+PTR	image-origin-prd.costar.com
65.222.181.140	A+PTR	dciutil1.costar.com
65.222.181.140	A	ahprdvip.costar.com
65.222.181.144	A+PTR	showcase.costar.com
65.222.181.144	A+PTR	rssprd.showcase.com
65.222.181.144	A	showcase.com
65.222.181.148	A+PTR	dcmxprd512.costar.com
65.222.181.149	PTR	mx2.costar.com
65.222.181.149	A+PTR	mobilebff-tst-main-01.costar.com
65.222.181.150	A	testgateway.costar.com
65.222.181.152	A+PTR	www.showcase.co.uk
65.222.181.152	A	showcase.co.uk
65.222.181.156	A	resolvetech.com
65.222.181.159	A+PTR	testshowcase.costar.com
65.222.181.159	A+PTR	rsstst.showcase.com
65.222.181.159	A+PTR	test.showcase.com
65.222.181.170	A+PTR	prodmailqa1.costar.com
65.222.181.174	A+PTR	cg01pfagprd501.costar.com
65.222.181.174	A	mx1.costar.com
65.222.181.183	A	ssl.costar.com
65.222.181.190	A+PTR	cg01pfagprd502.costar.com
65.222.181.190	A	mxa2.frostypuppy.com
65.222.181.190	A	mx2.costar.com
65.222.181.205	A	costarriskanalytics.com
65.222.181.205	A	service.ppr.info
65.222.181.208	A	mail.costar.com
65.222.181.209	A+PTR	testconnect.costar.com
65.222.181.209	A+PTR	proxy.testconnect.costar.com
65.222.181.210	A	grecamtest.costar.com
65.222.181.223	A+PTR	map1.costar.com
65.222.181.224	A+PTR	map2.costar.com
65.222.181.225	A	dcrelay1.costar.com
65.222.181.226	A+PTR	dcrlyprd500.costar.com
65.222.181.227	A	dcrlyprd501.costar.com
65.222.181.228	A	testroversync.costar.com
65.222.181.229	A+PTR	mail.costaradvisor.com
65.222.181.237	A+PTR	tilesbat.costar.com
65.222.181.241	PTR	mx1.costar.com
65.222.181.241	A+PTR	pdstest.costar.com
65.222.181.241	PTR	testgo.costar.com
65.222.181.244	A	testproduct2k5.costar.com