Robtex

Up: 200.89.88.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 200.89.88.0/25
Down right: 200.89.88.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
200.89.88.4	PTR	mail.onemax.net.do
200.89.88.4	A	mail.llamaaqui.com
200.89.88.4	A	mail.onemax.com.do
200.89.88.5	A+PTR	nat.onemax.com
200.89.88.10	PTR	www.onemax.com
200.89.88.10	A	dralauraespaillat.com
200.89.88.10	A	alterna.com.do
200.89.88.20	A+PTR	ns1.onemax.com
200.89.88.20	A	ns1.onemax.com.do
200.89.88.40	A+PTR	ns3.onemax.com.do
200.89.88.40	PTR	ns4.onemax.com.do
200.89.88.40	A	mail.celulandia.net
200.89.88.101	A+PTR	mail.onemax.com
200.89.88.237	A+PTR	ns2.onemax.com
200.89.88.237	A	ns2.onemax.com.do