Robtex

Up: 203.217.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.217.132.0/23
Down right: 203.217.134.0/23

IP	Type	Hostname
203.217.132.22	A	ns1.gmnusantara.com
203.217.133.133	A	ns2.gmnusantara.com
203.217.133.195	A	mail.imc.co.id
203.217.133.195	A	mail3.an.tv
203.217.133.196	A+PTR	webmail.an.tv
203.217.133.196	A	pop.an.tv
203.217.133.196	A	webmail.imc.co.id
203.217.133.197	PTR	pop.an.tv
203.217.133.197	A	mail2.imc.co.id
203.217.133.201	A+PTR	ns3.hostingku.net
203.217.133.201	A	hostingku.net
203.217.133.204	A+PTR	mail.an.tv
203.217.133.204	A	mail.imc.co.id
203.217.133.204	A	giftcardbestsellers.com
203.217.134.3	A	mail.dishubkominfo.sumselprov.go.id
203.217.134.3	A	mail.disnak.sumselprov.go.id
203.217.134.6	A	netmon.sumselprov.go.id