Robtex

Up: 200.64.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 200.64.160.0/20
Down right: 200.64.176.0/20

IP	Type	Hostname
200.64.162.7	A	dup-200-64-162-7.prodigy.net.mx
200.64.167.157	A	dup-200-64-167-157.prodigy.net.mx
200.64.167.166	A	dup-200-64-167-166.prodigy.net.mx
200.64.174.111	A+PTR	dup-200-64-174-111.prodigy.net.mx
200.64.179.40	A	dup-200-64-179-40.prodigy.net.mx
200.64.180.53	A	dup-200-64-180-53.prodigy.net.mx
200.64.187.5	A	dup-200-64-187-5.prodigy.net.mx
200.64.187.13	A	dup-200-64-187-13.prodigy.net.mx
200.64.187.73	A	dup-200-64-187-73.prodigy.net.mx
200.64.191.17	A	dup-nvl-lasilla-1-ft0.uninet.net.mx
200.64.191.49	A	dup-200-64-191-49.prodigy.net.mx
200.64.191.50	A+PTR	dup-200-64-191-50.prodigy.net.mx