Robtex

Up: 216.230.224.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.230.224.0/25
Down right: 216.230.224.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.230.224.2	A+PTR	atm.oplink.net
216.230.224.34	A+PTR	dns1.oplink.net
216.230.224.34	A	ns.oplnk.net
216.230.224.34	A	ns3.bigserverhosting.com
216.230.224.38	A+PTR	my.oplink.net
216.230.224.41	PTR	mail.oplink.net
216.230.224.41	A	mail.rosa2lee.com
216.230.224.41	A	mail.postoakit.com
216.230.224.43	A+PTR	web.oplink.net
216.230.224.43	A	oplnk.net
216.230.224.43	A	www.oplink.net
216.230.224.98	PTR	cpanel1.oplink.net
216.230.224.98	A	hhstxlaw.com
216.230.224.98	A	mail.premiumsusa.com
216.230.224.235	A	cdu.c002.001.oplink.net