Robtex

Up: 201.163.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 201.163.64.0/22
Down right: 201.163.68.0/22

IP	Type	Hostname
201.163.64.65	A+PTR	l2-poller-gdl.alestra.net.mx
201.163.64.251	PTR	rdgdl2.alestra.net.mx
201.163.66.74	PTR	static-201-163-66-74.alestra.net.mx
201.163.69.46	PTR	static-201-163-69-46.alestra.net.mx
201.163.69.150	A+PTR	mail.achfood.com.mx
201.163.69.150	A	mail2.achfood.com.mx
201.163.69.235	PTR	static-201-163-69-235.alestra.net.mx
201.163.69.235	A	infolen.mx
201.163.69.241	A+PTR	ns1.ykkmex.com
201.163.69.241	A	ykkmex.com
201.163.69.242	PTR	static-201-163-69-242.alestra.net.mx
201.163.69.242	A	ykkmex.com
201.163.69.242	A	ns2.ykkmex.com
201.163.69.243	PTR	static-201-163-69-243.alestra.net.mx
201.163.69.243	A	zimbra.ykkmex.com
201.163.70.199	PTR	static-201-163-70-199.alestra.net.mx
201.163.70.199	PTR	agt.televia.mx
201.163.70.199	A	televiapps.mx