Robtex

Up: 120.172.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 120.172.0.0/17
Down right: 120.172.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.172.8.2	PTR	120-172-8-2.resources.indosat.com
120.172.64.17	A	akveabqlcj.com
120.172.64.17	A	zwjudzst.com
120.172.64.17	A	tnuwvjypwr.net
120.172.123.221	PTR	120-172-123-221.resources.indosat.com
120.172.223.167	A	sentirconse.us