Robtex

Up: 216.52.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.52.16.0/22
Down right: 216.52.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.52.16.28	A	vpn-lva.corp.linkedin.com
216.52.16.130	A	vdi-us01.corp.linkedin.com
216.52.16.132	A	vdi-us.corp.linkedin.com
216.52.16.136	A	mgmtgw01.corp.linkedin.com
216.52.16.141	A	remote.linkedin.com
216.52.17.13	A	pip.omniture.com
216.52.17.13	A	pip.sj1.omniture.com
216.52.17.33	A	inspix1.omniture.com
216.52.17.34	A	inspix2.omniture.com
216.52.17.62	PTR	beta-discover.omniture.com
216.52.17.64	PTR	oasis.omniture.com
216.52.17.91	A+PTR	fw-d-1-fe-0-ext.dmz.sj1.omniture.com
216.52.17.93	PTR	dmzpip.omniture.com
216.52.17.97	PTR	beta.dmz.omniture.com
216.52.17.130	A	pix17.omniture.com
216.52.17.131	A	pix18.omniture.com
216.52.17.134	A	better-counter.com
216.52.17.201	A	vpnpip.omniture.com
216.52.17.221	A	pix15.omniture.com
216.52.17.222	A	pix16.omniture.com
216.52.17.228	A	pix27.omniture.com
216.52.17.229	A	pix28.omniture.com
216.52.18.12	PTR	carter.listen.com
216.52.18.15	PTR	nelly.listen.com
216.52.18.16	PTR	xavier.listen.com
216.52.18.81	A	ltx1-msft-dr.microsoft.com
216.52.23.2	A	eponym.cacheflow.com
216.52.23.2	A	ntp.cacheflow.com
216.52.23.2	A	eponym.bluecoatsystems.com
216.52.23.9	A	wanop4dummies.com
216.52.23.9	A	wanopt4dummies.com
216.52.23.9	A	thereinthesquare.com
216.52.23.13	A+PTR	dogfood3.bluecoat.com
216.52.23.23	A	preview.bluecoat.com
216.52.23.28	A	whisker.bluecoat.com
216.52.23.28	A	whisker.cacheflow.com
216.52.23.28	A	whisker.bluecoatsystems.com
216.52.23.29	A	bobkent.net
216.52.23.37	PTR	training-1.bluecoat.com
216.52.23.38	A	training-2.bluecoat.com
216.52.23.50	A	staging-ext.bluecoat.com
216.52.23.64	PTR	sv-216-64.bluecoat.com
216.52.23.72	A	reportcup2.packeteer.com
216.52.23.73	PTR	sv-216-73.bluecoat.com
216.52.23.73	A	opo.packeteer.com
216.52.23.83	PTR	dialin.bluecoat.com
216.52.23.83	PTR	lync.bluecoat.com
216.52.23.83	PTR	meet.bluecoat.com
216.52.23.91	PTR	sv-216-91.bluecoat.com