Robtex

Up: 166.90.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 166.90.79.0/25
Down right: 166.90.79.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
166.90.79.3	PTR	sharedimaging.com
166.90.79.3	PTR	shared01.sharedimaging.com
166.90.79.26	PTR	ajrintl.com
166.90.79.26	PTR	gmexchanges.com
166.90.79.26	PTR	www.ajrintl.com
166.90.79.33	A+PTR	ln1.idcglobal.net
166.90.79.83	A	bristolstation.com
166.90.79.83	A	firethorneapt.com
166.90.79.83	A	thechurchillapartments.com
166.90.79.85	PTR	moranmail1.moranandco.com
166.90.79.87	A	moranandcompany.com
166.90.79.94	PTR	mailbox.moranandco.com
166.90.79.106	PTR	napa3.arborresearch.com
166.90.79.115	PTR	sbs-chi.com
166.90.79.115	PTR	sbsworldwide-chicago.com
166.90.79.115	PTR	office.sbs-chi.com
166.90.79.146	PTR	gpclflush.com
166.90.79.146	PTR	mail.gpclflush.com
166.90.79.161	PTR	isetnews.com
166.90.79.163	A	omk.pcipr.com
166.90.79.166	PTR	ascpnewsroom.org
166.90.79.169	PTR	aaahcnewyork.org
166.90.79.175	A+PTR	msismarthome.org
166.90.79.177	PTR	mlanews.org
166.90.79.179	A	www.stateofscience.org
166.90.79.179	A	stateofscience.org
166.90.79.181	PTR	msiholidays.com
166.90.79.184	PTR	nationallungcancerpartnershipnews.org
166.90.79.185	A+PTR	zimmernews.com
166.90.79.189	PTR	www2.pcipr.com
166.90.79.200	PTR	red.cluefirst.net
166.90.79.255	PTR	bcast-166-90-79-192.cluefirst.net