Robtex

Up: 199.47.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.47.72.0/22
Down right: 199.47.76.0/22

IP	Type	Hostname
199.47.72.5	A+PTR	ext.wework.com
199.47.72.11	A	wiki.wework.com
199.47.72.66	PTR	ftp.wework.com
199.47.72.66	A	helpdesk.wework.com
199.47.72.66	A	mail.bibblebabble.com
199.47.72.170	A	thebuzziest.com
199.47.72.238	A	vpn.wework.com
199.47.72.238	A	useast.vpn.wework.com
199.47.73.22	A	mail.creativeworx.info
199.47.73.83	A	mail.m81capital.com
199.47.73.84	A	sslvpn.m81capital.com
199.47.75.118	A	pkunkra.com
199.47.76.1	PTR	ns1648.ztomy.com
199.47.76.35	PTR	ns1648.ztomy.com
199.47.77.72	A	devstest.net