Robtex

Up: 116.199.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 116.199.205.0/25
Down right: 116.199.205.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
116.199.205.98	A	mail.dataplus.co.id
116.199.205.98	A	mail.sioren.com
116.199.205.102	A+PTR	mail.kerry.co.id
116.199.205.102	A	mail.psmi.co.id
116.199.205.102	A	mail.pundikencana.com
116.199.205.106	A+PTR	mail.sepuluhsepuluh.com