Robtex

Up: 216.128.8.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.128.8.0/24
Down right: 216.128.9.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.128.8.32	PTR	insario.com
216.128.8.32	PTR	insario.net
216.128.8.33	PTR	insario.com
216.128.8.33	PTR	insario.net
216.128.8.34	PTR	insario.com
216.128.8.34	PTR	insario.net
216.128.8.35	PTR	insario.com
216.128.8.35	PTR	insario.net
216.128.8.72	PTR	host72.8.128.216.static.maximumasp.com
216.128.8.80	A	services.boson.com
216.128.8.82	A	download.boson.com
216.128.8.84	PTR	host84.8.128.216.static.maximumasp.com
216.128.8.85	PTR	host85.8.128.216.static.maximumasp.com
216.128.8.85	A	networksimulator.com
216.128.8.85	A	teacher-tests.com
216.128.8.91	PTR	host91.8.128.216.static.maximumasp.com
216.128.8.91	A	www.mollymaid.co.uk
216.128.8.101	PTR	mail.selectinsurancemarkets.com
216.128.8.101	A	sim-ins.us
216.128.8.101	A	selectinsurancemarkets.us
216.128.8.132	A	smithforkventures.com
216.128.8.135	PTR	host135.8.128.216.static.maximumasp.com
216.128.8.135	A	teacher-test.com
216.128.8.136	A	bosonsupport.com
216.128.8.158	A	gtmky.dnsstuff.com
216.128.8.170	PTR	www.testmasters.net
216.128.8.171	PTR	host171.8.128.216.static.maximumasp.com
216.128.8.174	PTR	testmasters.net
216.128.8.174	A	testmasterslsatprep.com
216.128.8.174	A	testmasterssat.com
216.128.8.177	PTR	host177.8.128.216.static.maximumasp.com
216.128.8.177	A	lsatchallenge.com
216.128.8.191	A	deepcheck.com
216.128.8.191	A	mail.deepcheck.com
216.128.8.195	A	ahsaim.net
216.128.9.17	A	asherheaton.com
216.128.9.26	A	mail.partnersbydesignnews.com
216.128.9.26	A	mail.gvmg.com
216.128.9.26	A	mail.pinnex.com
216.128.9.34	A	ded2679.maximumasp.com
216.128.9.41	A+PTR	mxbn.pinnex.com
216.128.9.46	A	www.openbookasp.com
216.128.9.60	PTR	host60.9.128.216.static.maximumasp.com
216.128.9.66	PTR	mail.akweb.ch
216.128.9.72	A	boxerdesign.eu
216.128.9.74	PTR	host74.9.128.216.static.maximumasp.com
216.128.9.74	A	intralearn.com
216.128.9.140	PTR	host140.9.128.216.static.maximumasp.com
216.128.9.140	A	sqlsnapshots.com
216.128.9.182	A	converseretailmarketing.com
216.128.9.207	PTR	farmlandfoods.com
216.128.9.209	PTR	host209.9.128.216.static.maximumasp.com
216.128.9.225	A	freegolfrounds.biz
216.128.9.225	A	freegolfrounds.net
216.128.9.225	A	freegolfrounds.com
216.128.9.229	A	blackdiamondticket.com