Robtex

Up: 216.230.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.230.16.0/25
Down right: 216.230.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.230.16.16	A+PTR	bennett.willmarnet.com
216.230.16.21	A	mail.randystaxservicellc.com
216.230.16.30	A+PTR	relay.bennettoffice.com
216.230.16.30	A	mailfilter.umbnl.com
216.230.16.30	A	relay.allmids.com
216.230.16.31	A	mail.duininckchiro.com
216.230.16.58	A	mail.farmers-merchants.com
216.230.16.60	A	mail.kandiyohiabstract.com
216.230.16.60	A	exchange.kandiyohiabstract.com
216.230.16.60	A	chrysalis-kandi.com
216.230.16.75	PTR	16-75.willmarnet.com
216.230.16.78	A	16-78.willmarnet.com
216.230.16.81	PTR	mailserver.willmarnet.com
216.230.16.83	A+PTR	16-83.willmarnet.com
216.230.16.83	PTR	mailserver.willmarnet.com
216.230.16.86	A+PTR	16-86.willmarnet.com
216.230.16.86	A	snoparts.com
216.230.16.86	A	prinsburgcoop.com
216.230.16.87	A+PTR	16-87.willmarnet.com
216.230.16.87	A	willmaraviation.com
216.230.16.87	A	borderstates.net
216.230.16.88	PTR	16-88.willmarnet.com
216.230.16.88	A	phwillmar.com
216.230.16.88	A	webserver.willmarnet.com
216.230.16.99	A+PTR	16-99.willmarnet.com
216.230.16.99	A	willmarnet.net
216.230.16.99	A	riccovery.org
216.230.16.100	A+PTR	16-100.willmarnet.com
216.230.16.100	A	willmaredc.com
216.230.16.101	A+PTR	dns3.cloudnet.com
216.230.16.101	A	16-101.willmarnet.com
216.230.16.110	A	16-110.willmarnet.com
216.230.16.116	A	16-116.willmarnet.com
216.230.16.125	A+PTR	mail.willmarnet.net
216.230.16.125	A	mailserver.willmarnet.net
216.230.16.125	A	daucsavage.com
216.230.16.230	A	mail.bennettoffice.com
216.230.16.239	A+PTR	16-239.willmarnet.com
216.230.16.239	A	www.remote2me.com
216.230.16.239	A	ns1.bennettoffice.com
216.230.16.240	A	willmarknights.org
216.230.16.240	A	www.willmarknights.org
216.230.16.240	A	16-240.willmarnet.com
216.230.16.255	PTR	16-255.willmarnet.com