Robtex

Up: 200.34.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.34.66.0/25
Down right: 200.34.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.34.66.81	A+PTR	200-34-66-81.static.avantel.net.mx
200.34.66.89	A+PTR	200-34-66-89.static.avantel.net.mx
200.34.66.114	PTR	telandpower.com
200.34.66.133	PTR	200-34-66-133.static.avantel.net.mx
200.34.66.133	A	eosorio.sunset.com.mx
200.34.66.133	A	acuarius.it.sunset.com.mx
200.34.66.181	A+PTR	200-34-66-181.static.avantel.net.mx