Robtex

Up: 201.160.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 201.160.56.0/22
Down right: 201.160.60.0/22

IP	Type	Hostname
201.160.56.38	A+PTR	201.160.56.38.cable.dyn.cableonline.com.mx
201.160.59.19	A+PTR	201.160.59.19.cable.dyn.cableonline.com.mx
201.160.59.182	A+PTR	201.160.59.182.cable.dyn.cableonline.com.mx
201.160.61.94	A+PTR	201.160.61.94.cable.dyn.cableonline.com.mx
201.160.62.17	A+PTR	201.160.62.17.cable.dyn.cableonline.com.mx
201.160.62.137	A	201.160.62.137.cable.dyn.cableonline.com.mx
201.160.62.139	PTR	201.160.62.139.cable.dyn.cableonline.com.mx