Robtex

Up: 216.128.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.128.20.0/24
Down right: 216.128.21.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.128.20.1	A	maxvps033.maximumasp.com
216.128.20.3	A	maxvps900.maximumasp.com
216.128.20.27	A	maxstats900.maximumasp.com
216.128.20.32	A	stocktradershq.com
216.128.20.32	A	www.stocktradershq.com
216.128.20.46	PTR	host46.20.128.216.static.maximumasp.com
216.128.20.46	A	annabremner.com
216.128.20.46	A	bcrfhotpinkparty.com
216.128.20.49	A	mylondonmind.com
216.128.20.107	A	*.sandiegodotnet.net
216.128.20.107	A	sandiegodotnet.net
216.128.20.107	A	sandiegodotnet.org
216.128.20.140	PTR	host140.20.128.216.static.maximumasp.com
216.128.21.9	PTR	host9.21.128.216.static.maximumasp.com
216.128.21.10	PTR	ded852.maximumasp.com
216.128.21.12	PTR	host12.21.128.216.static.maximumasp.com
216.128.21.12	A	mail.d-image.com
216.128.21.22	A	ded855.maximumasp.com
216.128.21.22	A	chiosballoons.gr
216.128.21.23	PTR	ded855.maximumasp.com
216.128.21.23	A	railway.gr
216.128.21.23	A	tripwily.com
216.128.21.24	PTR	ded855.maximumasp.com
216.128.21.24	A	chiosnews.gr
216.128.21.28	A	mail.isoa.org
216.128.21.34	A	virtualtechfair.com
216.128.21.66	PTR	host66.21.128.216.static.maximumasp.com
216.128.21.66	A	duenke.org
216.128.21.66	A	duenke.com
216.128.21.70	A+PTR	ded867.maximumasp.com
216.128.21.74	A	colorclickr.com
216.128.21.74	A	colorclicker.com
216.128.21.84	PTR	host84.21.128.216.static.maximumasp.com
216.128.21.84	A	mail.cwscpa.com
216.128.21.84	A	*.grafconstructioninc.com
216.128.21.85	PTR	host85.21.128.216.static.maximumasp.com
216.128.21.89	A	veryfirstnoel.com
216.128.21.95	PTR	mail.noagentproperty.com.au
216.128.21.106	A	*.sqlsolutions.com
216.128.21.109	A	sqlvision.com
216.128.21.110	A	oneilltoolandplanthire.com
216.128.21.110	A	batestoolhire.com
216.128.21.114	A	webtickets.com
216.128.21.142	A	blog.indiawebdevelopers.com
216.128.21.148	PTR	host148.21.128.216.static.maximumasp.com
216.128.21.148	A	stephenalexanderhomes.com
216.128.21.148	A	davislawgrouppc.net
216.128.21.149	PTR	host149.21.128.216.static.maximumasp.com
216.128.21.155	A	stowekitchen.net
216.128.21.157	PTR	rewards.golfskiwarehouse.com
216.128.21.157	PTR	host157.21.128.216.static.maximumasp.com
216.128.21.157	A	www.fine-paints.com
216.128.21.166	A	inboxcontrol.com
216.128.21.167	A	*.short10.com
216.128.21.167	A	liveserver.us
216.128.21.167	A	short10.com
216.128.21.174	A	mayhealthcareers.com
216.128.21.244	A	*.guggenheimcolorcollection.biz
216.128.21.244	A	guggenheimcolorbyfpe.com