Robtex

Up: 200.73.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.73.4.0/25
Down right: 200.73.4.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.73.4.0	PTR	host0.200.73.4.static.ifxnw.cl
200.73.4.4	PTR	host4.200.73.4.static.ifxnw.cl
200.73.4.10	PTR	host10.200.73.4.static.ifxnw.cl
200.73.4.10	A	secretariasvirtuales.cl
200.73.4.10	A	mail.rozmusowie.pl
200.73.4.11	PTR	host11.200.73.4.static.ifxnw.cl
200.73.4.11	A	equitrade.cl
200.73.4.11	A	www.constructoraryd.cl
200.73.4.12	PTR	host12.200.73.4.static.ifxnw.cl
200.73.4.12	A	antilavadodedinero.cl
200.73.4.12	A	agility.cl
200.73.4.30	PTR	argon.ht.cl
200.73.4.42	PTR	lck.cl
200.73.4.67	PTR	host67.200.73.4.static.ifxnw.cl
200.73.4.67	A	www.edyce.cl
200.73.4.67	A	edyce.cl
200.73.4.74	PTR	ns.buseshualpen.cl
200.73.4.82	PTR	host82.200.73.4.static.ifxnw.cl
200.73.4.82	A	materti.com
200.73.4.84	PTR	host84.200.73.4.static.ifxnw.cl
200.73.4.84	A	valleblancosa.cl
200.73.4.84	A	www.valleblancosa.cl
200.73.4.178	A+PTR	mail.peajemet.cl
200.73.4.178	A	master.oau.cl
200.73.4.178	A	mail2.peajemet.cl
200.73.4.179	A+PTR	hosting.peajemet.cl
200.73.4.179	A	peajemet.cl
200.73.4.179	A	mail.hosting.peajemet.cl
200.73.4.180	A	master.peajemet.cl
200.73.4.181	PTR	mail.peajemet.cl
200.73.4.182	PTR	hosting2.peajemet.cl
200.73.4.182	A	ns2.financialoption.cl
200.73.4.182	A	bertens.cl
200.73.4.188	PTR	host188.200.73.4.static.ifxnw.cl
200.73.4.196	PTR	host196.200.73.4.static.ifxnw.cl
200.73.4.202	PTR	host202.200.73.4.static.ifxnw.cl
200.73.4.218	PTR	host218.200.73.4.static.ifxnw.cl
200.73.4.222	PTR	host222.200.73.4.static.ifxnw.cl
200.73.4.223	PTR	srv1.wirenet.cl
200.73.4.235	PTR	host235.200.73.4.static.ifxnw.cl
200.73.4.236	PTR	host236.200.73.4.static.ifxnw.cl