Robtex

Up: 177.238.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 177.238.248.0/23
Down right: 177.238.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.238.248.3	PTR	177.238.248.3.cable.dyn.cableonline.com.mx
177.238.248.3	A	petrabatra.com.mx
177.238.248.3	A	petrabatra.com
177.238.248.9	PTR	177.238.248.9.cable.dyn.cableonline.com.mx
177.238.248.9	A	www.utparral.edu.mx
177.238.248.9	A	utparral.edu.mx
177.238.248.10	PTR	177.238.248.10.cable.dyn.cableonline.com.mx
177.238.248.34	PTR	177.238.248.34.cable.dyn.cableonline.com.mx
177.238.248.34	A	mail.duraplay.com.mx
177.238.248.34	A	dns.duraplay.com.mx
177.238.248.99	PTR	177.238.248.99.cable.dyn.cableonline.com.mx
177.238.248.100	PTR	177.238.248.100.cable.dyn.cableonline.com.mx
177.238.248.108	PTR	177.238.248.108.cable.dyn.cableonline.com.mx
177.238.248.118	PTR	mail.seranco.com.mx
177.238.249.20	PTR	177.238.249.20.cable.dyn.cableonline.com.mx
177.238.249.68	A+PTR	mail.lacronica.com
177.238.249.68	A	mail1.lacronica.com
177.238.249.69	PTR	177.238.249.69.cable.dyn.cableonline.com.mx
177.238.249.69	A	fundacionhealy.org
177.238.251.25	PTR	177.238.251.25.cable.dyn.cableonline.com.mx
177.238.251.34	PTR	177.238.251.34.cable.dyn.cableonline.com.mx