Robtex

Up: 216.99.220.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.99.221.0/25
Down right: 216.99.221.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.99.221.8	PTR	216-99-221-8.static.unused.aracnet.com
216.99.221.8	A	coveredbridges.stateoforegon.com
216.99.221.8	A	stateoforegon.com
216.99.221.18	A	mail.nwartmall.com
216.99.221.19	A	advanceddimensionalmanagement.com
216.99.221.19	A	advdm.com
216.99.221.19	A	advdmpress.com
216.99.221.21	A	i-payout.net
216.99.221.24	PTR	216-99-221-24.static.unused.aracnet.com
216.99.221.24	A	ewalletvideo.com
216.99.221.30	PTR	216-99-221-30.static.unused.aracnet.com
216.99.221.33	PTR	216-99-221-33.static.unused.aracnet.com
216.99.221.52	PTR	216-99-221-52.static.unused.aracnet.com
216.99.221.65	PTR	beta.spiritone.com.221.99.216.in-addr.arpa
216.99.221.66	A	mail.pcrest.org
216.99.221.73	PTR	216-99-221-73.static.unused.aracnet.com
216.99.221.94	PTR	216-99-221-94.static.unused.aracnet.com
216.99.221.99	PTR	216-99-221-99.static.unused.aracnet.com
216.99.221.111	PTR	216-99-221-111.static.unused.aracnet.com
216.99.221.116	PTR	216-99-221-116.static.unused.aracnet.com
216.99.221.118	PTR	216-99-221-118.static.unused.aracnet.com
216.99.221.118	A	mail.pmug.org
216.99.221.118	A	www.pmug.org
216.99.221.152	PTR	216-99-221-152.static.unused.aracnet.com
216.99.221.179	PTR	216-99-221-179.static.unused.aracnet.com
216.99.221.193	PTR	216-99-221-193.static.unused.aracnet.com
216.99.221.251	PTR	216-99-221-251.static.unused.aracnet.com