Robtex

Up: 168.159.218.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 168.159.218.0/25
Down right: 168.159.218.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
168.159.218.9	A	soagateway.emc.com
168.159.218.14	A	cxlperf2.emc.com
168.159.218.20	A+PTR	esrs-dr.emc.com
168.159.218.21	A+PTR	esrs-coredr.emc.com
168.159.218.24	A	crm.emc.com
168.159.218.41	A	payment.emc.com
168.159.218.45	A+PTR	usvdipoc.emc.com
168.159.218.46	A+PTR	usvdiec1.emc.com
168.159.218.47	A+PTR	usvdiec2.emc.com
168.159.218.49	A+PTR	colu.emc.com
168.159.218.52	A+PTR	learning.emc.com
168.159.218.53	A+PTR	education.emc.com
168.159.218.53	A	education.dellemc.com
168.159.218.54	A+PTR	learningcontent.emc.com
168.159.218.57	A	vceattachment.emc.com
168.159.218.71	A+PTR	usvdiec.emc.com
168.159.218.73	A	globalservices.emc.com
168.159.218.74	A	actlink.emc.com
168.159.218.75	A	act.emc.com
168.159.218.76	A	www.tablus.net
168.159.218.85	A	supplynetweb.emc.com
168.159.218.86	A	emc-email.com
168.159.218.89	A+PTR	mydevice.emc.com
168.159.218.90	A+PTR	origin-store.emc.com
168.159.218.90	A	store.emc.com
168.159.218.91	A	emc-lifescitransformation.com
168.159.218.91	A	emc.cx
168.159.218.91	A	netwitness.tv
168.159.218.92	A	acadiaprivatecloud.com
168.159.218.92	A	origin2-www.emc.com
168.159.218.92	A	acadia.com
168.159.218.141	A+PTR	email.emc.com
168.159.218.142	A+PTR	mobile.emc.com
168.159.218.147	A	im.emc.com
168.159.218.148	A+PTR	ngemail.emc.com
168.159.218.150	A	ngwm.emc.com
168.159.218.152	A+PTR	mobile.datadomain.com
168.159.218.153	A	email.datadomain.com
168.159.218.155	A+PTR	extralink.emc.com
168.159.218.155	A	extralink.ilg.com
168.159.218.157	A	vault.ilg.com
168.159.218.160	A	ngcwa.emc.com
168.159.218.161	A+PTR	mobileapps.emc.com
168.159.218.169	A	*.emclink.net
168.159.218.172	A	lyncus1wse.emc.com
168.159.218.172	A	lyncdiscover.emc.com
168.159.218.174	A+PTR	autodiscover.emc.com
168.159.218.175	A+PTR	oa.emc.com
168.159.218.180	A+PTR	apm-auth-ext-hop.emc.com
168.159.218.181	A	politemail.emc.com
168.159.218.203	A	origin-download.emc.com
168.159.218.206	A+PTR	uemconnect.emc.com