Robtex

Up: 201.104.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 201.104.192.0/19
Down right: 201.104.224.0/19

IP	Type	Hostname
201.104.205.241	PTR	dup-201-104-205-241.prod-dial.com.mx
201.104.206.40	PTR	dup-201-104-206-40.prod-dial.com.mx
201.104.206.175	PTR	dup-201-104-206-175.prod-dial.com.mx
201.104.211.130	PTR	dup-201-104-211-130.prod-dial.com.mx
201.104.211.195	PTR	dup-201-104-211-195.prod-dial.com.mx