Robtex

Up: 182.253.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 182.253.21.0/25
Down right: 182.253.21.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.253.21.51	A	energyequity.co.id
182.253.21.51	A	mail.belayan.com
182.253.21.52	A	fxmail.energyequity.co.id
182.253.21.52	A	fxmail.belayan.com
182.253.21.60	A+PTR	mail.ptwbi.co.id
182.253.21.60	A	www.ptwbi.co.id
182.253.21.67	A+PTR	mail.resindori.com
182.253.21.68	A	www.resindori.com
182.253.21.68	A	resindori.com
182.253.21.109	A+PTR	mail.indonesiantower.com
182.253.21.109	PTR	mail.mci-mobile.com
182.253.21.109	A+PTR	mail.tbigway.com
182.253.21.110	A	mail.tower-bersama.co.id
182.253.21.110	A	smtp.tower-bersama.com
182.253.21.179	A	smtp.sbr-port.com
182.253.21.179	A	sbr-port.com
182.253.21.179	A	mx.oktasan.com
182.253.21.188	A	ns1.buanaeltra.com
182.253.21.189	A	smtp.buanaeltra.com
182.253.21.189	A	buanaeltra.com
182.253.21.228	A+PTR	antispam.hplaw.co.id