Robtex

Up: 201.161.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 201.161.248.0/23
Down right: 201.161.250.0/23

IP	Type	Hostname
201.161.248.172	A	201.161.248.172.cable.dyn.cableonline.com.mx
201.161.248.248	A	201.161.248.248.cable.dyn.cableonline.com.mx
201.161.249.121	PTR	201.161.249.121.cable.dyn.cableonline.com.mx
201.161.249.126	A+PTR	201.161.249.126.cable.dyn.cableonline.com.mx
201.161.251.88	PTR	201.161.251.88.cable.dyn.cableonline.com.mx