Robtex

Up: 103.55.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.55.36.0/23
Down right: 103.55.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.55.36.1	PTR	duta.net.id-55.36.1
103.55.36.10	A+PTR	ns1.duta.net.id
103.55.36.22	PTR	duta.net.id-55.36.22
103.55.36.66	PTR	duta.net.id-55.36.66
103.55.36.66	A	radarsulteng.co.id
103.55.36.66	A	www.radartarakan.co.id
103.55.36.101	PTR	duta.net.id-55.36.101
103.55.36.101	A	sttmigas.ac.id
103.55.36.110	A+PTR	ns2.duta.net.id
103.55.36.163	A	mx-mail.duta.net.id
103.55.36.164	PTR	web-host.duta.net.id
103.55.36.164	A	www.balikpapanpos.co.id
103.55.36.164	A	www.kaltengpos.web.id
103.55.36.165	PTR	mx01-mail.duta.net.id
103.55.36.168	A	mx0-mail.duta.net.id
103.55.36.182	PTR	duta.net.id-55.36.182
103.55.36.183	PTR	duta.net.id-55.36.183
103.55.36.202	PTR	duta.net.id-55.36.202
103.55.36.202	A	mataindonesia.co
103.55.36.210	PTR	duta.net.id-55.36.210
103.55.36.211	PTR	duta.net.id-55.36.211
103.55.36.214	A	newmonalisa.com
103.55.36.214	A	www.sportiplus.com
103.55.36.214	A	sportiplus.com
103.55.36.227	PTR	duta.net.id-55.36.227
103.55.36.227	A	www.radartarakan.co.id
103.55.36.227	A	kpfm.co.id
103.55.36.252	PTR	duta.net.id-55.36.252
103.55.36.253	PTR	duta.net.id-55.36.253
103.55.37.2	PTR	duta.net.id-55.37.2.37.55.103.in-addr.arpa
103.55.37.25	PTR	duta.net.id-55.37.25.37.55.103.in-addr.arpa
103.55.37.132	A	batir.id
103.55.38.4	A+PTR	mx1.duta.net.id
103.55.38.5	A	konikaltim.co
103.55.38.5	A	ns-duta.duta.net.id
103.55.38.6	A	ns-core.duta.net.id
103.55.38.242	PTR	vm1.unggulgroup.com
103.55.39.6	PTR	duta.net.id-55.39.6.39.55.103.in-addr.arpa
103.55.39.6	A	ns2.babelprov.go.id
103.55.39.178	PTR	iix900.idcloudhost.com
103.55.39.181	A	arcomart.com
103.55.39.181	A	malang-post.com
103.55.39.181	A	www.hijitoko.com
103.55.39.194	A	xploitsecid.or.id
103.55.39.194	A	php.id
103.55.39.194	A	detikepri.com