Robtex

Up: 182.253.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 182.253.64.0/23
Down right: 182.253.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
182.253.66.11	A	mail.rsudsidoarjo.co.id
182.253.66.12	PTR	mail.rsudsidoarjo.co.id
182.253.66.12	A	covid-19rsjatim.com
182.253.66.42	PTR	mail.uij.ac.id
182.253.66.43	A	ns1.uij.ac.id
182.253.66.43	A	ns2.uij.ac.id
182.253.66.44	A	www.uij.ac.id
182.253.66.44	A	uij.ac.id
182.253.66.116	PTR	srvc.datacenterkilat.in
182.253.66.116	A	unpkdr.ac.id
182.253.66.116	A	datacenterkilat.in
182.253.66.118	PTR	srvb.datacenterkilat.in
182.253.66.164	A+PTR	www.madiunkota.go.id
182.253.66.164	A	madiunkota.go.id
182.253.66.172	A+PTR	mail.madiunkota.go.id
182.253.66.174	A	lpse.madiunkota.go.id
182.253.66.178	A	simak.bkd.lumajangkab.go.id
182.253.66.179	A	bkd.lumajangkab.go.id
182.253.66.202	PTR	b29.lumajangkab.go.id
182.253.66.202	A	ns2.lumajangkab.go.id
182.253.66.202	A	2.id.pool.ntp.org
182.253.66.204	A	2.id.pool.ntp.org
182.253.66.204	A	3.id.pool.ntp.org
182.253.66.205	A	3.id.pool.ntp.org