Robtex

Up: 216.131.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.131.152.0/22
Down right: 216.131.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.131.152.201	A+PTR	aufsn4x0gla02.oracleoutsourcing.com
216.131.156.40	A+PTR	idm-internal-aufsn4x0dea.oracleoutsourcing.com
216.131.156.47	A	fa1-login-us1.oracleoutsourcing.com
216.131.157.53	A	login-aufsn4x0fga.oracleoutsourcing.com
216.131.158.217	PTR	caaf-test.social.us1.oraclecloud.com
216.131.158.217	A	fs-aufsn4x0nvf.oracleoutsourcing.com
216.131.158.217	A	origin-fs-aufsn4x0bgf.oracleoutsourcing.com
216.131.158.228	A	login-aufsn4x0iyf.oracleoutsourcing.com
216.131.158.228	A	login-aufsn4x0nkf.oracleoutsourcing.com
216.131.158.228	A	fa0-login-us1.oracleoutsourcing.com
216.131.159.1	PTR	auosn4x0oof.oracleoutsourcing.com
216.131.159.248	A+PTR	origin-dcs.oraclecloud.com