Robtex

Up: 113.11.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 113.11.128.0/22
Down right: 113.11.132.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
113.11.128.2	A+PTR	mailman.prima.net.id
113.11.128.2	A	mx2.dps.prima.net.id
113.11.128.3	A+PTR	zmail.prima.net.id
113.11.128.3	A	mail.kemalsjahlaw.com
113.11.128.4	PTR	smtp2.prima.net.id
113.11.128.9	A	mail.kti-telco.net
113.11.128.10	A	asmairashop.com
113.11.128.10	A	asmairaofficial.com
113.11.128.10	A	www.asmairashop.com
113.11.128.21	A	mx2.dps.prima.net.id
113.11.128.21	A	mx2.atlasat.co.id
113.11.128.22	A+PTR	webmail2.prima.net.id
113.11.128.22	A	webmail2.ptmugs.com
113.11.128.24	A+PTR	cloud.prima.net.id
113.11.128.24	A	www.rsadventbandung.com
113.11.128.26	A	mailcleaner.kti-telco.com
113.11.129.2	A	engine2.commerce.net.id
113.11.129.2	A	ns1.gsk.net
113.11.129.3	A+PTR	mail.gsk.net
113.11.129.3	A	jinannalikeyidubo.shulilady.com
113.11.129.50	A	www.gsk.net
113.11.129.57	A	ns.gsk.net
113.11.129.99	A	k-linkjeddah.com
113.11.129.177	A+PTR	vpn.gunungsewu.com
113.11.129.180	PTR	smtp.gunungsewu.com
113.11.129.180	A	mail.ntf.co.id
113.11.129.180	A	smtp.indo-keramik.co.id
113.11.129.181	PTR	mr-gsk.gunungsewu.com
113.11.130.19	A	mail.pumarin.co.id
113.11.130.170	A	spektahost.net
113.11.130.170	A	wingamers.net
113.11.130.172	A	mx.petrindo.com
113.11.130.172	A	mx.saranainstrument.com
113.11.131.196	PTR	mail.retower.co.id
113.11.131.196	A+PTR	mail.centratama.com
113.11.131.198	A+PTR	retower.co.id
113.11.131.198	PTR	centratama.com
113.11.133.19	PTR	mail.swisscontact.or.id
113.11.133.70	A	office.parklanejakarta.com
113.11.133.204	A+PTR	mail.supermalkarawaci.com
113.11.133.204	A	dynzim1.supermalkarawaci.com
113.11.133.204	A	superzim.supermalkarawaci.com
113.11.133.242	A	mail.pt-tmu.co.id