Robtex

Up: 201.221.148.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 201.221.148.0/24
Down right: 201.221.149.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.221.148.40	PTR	mail.mayorautos.com
201.221.148.93	PTR	201-221-148-93.telebucaramanga.net.co
201.221.148.93	A	mail.scado.info
201.221.148.93	A	mail.idei.edu.co
201.221.148.132	PTR	correo.vswear.com
201.221.148.158	PTR	201-221-148-158.telebucaramanga.net.co