Robtex

Up: 200.65.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 200.65.128.0/18
Down right: 200.65.192.0/18

IP	Type	Hostname
200.65.129.1	PTR	dup-200-65-129-1.prodigy.net.mx
200.65.129.2	PTR	dup-200-65-129-2.prodigy.net.mx
200.65.144.13	A	mail.grotonpacific.com
200.65.145.12	A	mail.grotonpacific.com
200.65.182.4	PTR	dup-200-65-182-4.prodigy.net.mx
200.65.188.1	PTR	dup-200-65-188-1.prodigy.net.mx
200.65.223.18	A	inet-gto-pedromoreno-1-ft4-0-1.uninet.net.mx