Robtex

Up: 190.52.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 190.52.72.0/25
Down right: 190.52.72.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
190.52.72.6	A	static-host190-52-72n6.espoltel.net
190.52.72.55	PTR	static-host190-52-72n55.espoltel.net
190.52.72.55	A	correo1.velasco.com.ec
190.52.72.58	A	static-host190-52-72n58.espoltel.net
190.52.72.65	PTR	mail.indunidas.com.ec
190.52.72.80	A	static-host190-52-72n80.espoltel.net
190.52.72.83	PTR	mail.emelec.com.ec
190.52.72.95	PTR	mail.plastiempaques.com.ec
190.52.72.97	A+PTR	static-host190-52-72n97.espoltel.net
190.52.72.106	A+PTR	static-host190-52-72n106.espoltel.net
190.52.72.110	A+PTR	static-host190-52-72n110.espoltel.net
190.52.72.116	A+PTR	spamsnake.dipaso.com.ec
190.52.72.121	A	static-host190-52-72n121.espoltel.net
190.52.72.161	A	static-host190-52-72n161.espoltel.net
190.52.72.165	PTR	mail.bankersclub-ec.com
190.52.72.167	A	mail2.bankersclub-ec.com
190.52.72.196	PTR	sfi.espoltel.net
190.52.72.203	PTR	mail.moores.com.ec
190.52.72.220	A+PTR	static-host190-52-72n220.espoltel.net
190.52.72.220	A	dns.cees.edu.ec
190.52.72.223	PTR	espiritusanto.edu.ec
190.52.72.224	A+PTR	cees.edu.ec
190.52.72.224	A	mail.cees.edu.ec
190.52.72.225	PTR	190-52-72-225.iuptelecom.com.br
190.52.72.225	A	mail.capacites.edu.ec
190.52.72.225	A	mail.tes.edu.ec
190.52.72.230	A+PTR	static-host190-52-72n230.espoltel.net
190.52.72.230	A	spirit.edu.ec
190.52.72.230	A	mail.espiritusanto.edu.ec
190.52.72.232	PTR	astaro.tes.edu.ec
190.52.72.232	A	astaro.cees.edu.ec
190.52.72.232	A	astaro.spirit.edu.ec