Robtex

Up: 201.163.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 201.163.30.0/24
Down right: 201.163.31.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.163.30.1	A+PTR	smtp.elnuevomundo.com
201.163.30.1	A	mail.elnuevomundo.com
201.163.30.2	A	elnuevomundo.com
201.163.30.2	A	columbustextil.com
201.163.30.2	A	nvomundo.net
201.163.30.5	A	mail2.elnuevomundo.com
201.163.30.67	PTR	static-201-163-30-67.alestra.net.mx
201.163.30.67	A	gruposayer.com
201.163.30.67	A	ns4.gruposayer.com
201.163.30.69	PTR	static-201-163-30-69.alestra.net.mx
201.163.30.69	A	infosayer.sayerlack.info
201.163.30.69	A	sayerlack.info
201.163.30.74	PTR	static-201-163-30-74.alestra.net.mx
201.163.30.74	A	stj-sin.gob.mx
201.163.30.75	PTR	static-201-163-30-75.alestra.net.mx
201.163.30.75	A	sesweb5.ddns.net
201.163.30.75	A	www.sesweb.com.mx
201.163.30.77	PTR	mail.compupartes.com.mx
201.163.30.77	A	sesweb5.ddns.net
201.163.30.77	A	www.sesweb.com.mx
201.163.30.78	PTR	static-201-163-30-78.alestra.net.mx
201.163.30.78	A	bizion.com.mx
201.163.30.111	PTR	static-201-163-30-111.alestra.net.mx
201.163.30.111	A	servifact.com
201.163.30.111	A	servifact.com.mx
201.163.30.113	PTR	static-201-163-30-113.alestra.net.mx
201.163.30.113	A	wrp.mx
201.163.30.113	A	wrp.com.mx
201.163.30.117	PTR	static-201-163-30-117.alestra.net.mx
201.163.30.118	PTR	static-201-163-30-118.alestra.net.mx
201.163.30.118	A	wrp.mx
201.163.30.118	A	www.totalgraphics.com.mx
201.163.30.121	PTR	mail.juicioenlineasinaloa.gob.mx
201.163.30.121	A	ns1.juicioenlineasinaloa.gob.mx
201.163.30.121	A	tja.gob.mx
201.163.31.103	A+PTR	correo2.cnsf.gob.mx
201.163.31.104	PTR	webmail.firstmajestic.com
201.163.31.104	A	correo3.cnsf.gob.mx
201.163.31.155	PTR	static-201-163-31-155.alestra.net.mx
201.163.31.220	PTR	static-201-163-31-220.alestra.net.mx
201.163.31.220	A	www.mcdmex.com
201.163.31.220	A	nytmc.com