Robtex

Up: 36.66.76.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 36.66.78.0/24
Down right: 36.66.79.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
36.66.78.51	PTR	zug-power.com
36.66.78.51	PTR	zug.co.id
36.66.79.123	A	ns1.duaputra.com
36.66.79.123	A	mail.ptymi.com
36.66.79.123	A	indopratamanet.com
36.66.79.125	PTR	mail.duaputra.com
36.66.79.125	A	webdpum.duaputra.com