Robtex

Up: 216.240.56.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.240.56.0/24
Down right: 216.240.57.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.240.56.99	A	www.blazermediagroup.com
216.240.56.99	A	mx.blazermediagroup.com
216.240.57.5	A+PTR	cp.web-zonic.com
216.240.57.5	A	dns1.web-zonic.com
216.240.57.6	PTR	mai1.web-zonic.com
216.240.57.6	A	mail.web-zonic.com
216.240.57.6	A	mail1.webzonic.com
216.240.57.7	A+PTR	relay.web-zonic.com
216.240.57.10	PTR	ns1.web-zonic.com
216.240.57.15	A+PTR	ns2.web-zonic.com
216.240.57.15	A	dns2.web-zonic.com
216.240.57.20	A	web1.web-zonic.com
216.240.57.20	A	praythecourse.com
216.240.57.20	A	stemtechmail.com
216.240.57.42	PTR	mail.lundgren.net
216.240.57.49	A+PTR	mail.stemtechmail.com
216.240.57.49	A	stemtechmail.com
216.240.57.86	A	mail.benjamincharchian.com
216.240.57.86	A	benjamincharchian.com
216.240.57.86	A	autoaccidentlawyersgroup.com
216.240.57.88	A	idealoriginals.net
216.240.57.88	A	naturalmoringa.com
216.240.57.88	A	naturesmoringa.com
216.240.57.90	PTR	cyber-mail.web-zonic.com
216.240.57.90	A	pioneerwebmedia.com
216.240.57.90	A	kcsgrill.com
216.240.57.195	PTR	mail.hsphere.ru
216.240.57.197	PTR	ns1.k-media.com.ua
216.240.57.199	PTR	ns1.ukrhosting.net
216.240.57.205	PTR	mail.ukrhosting.com
216.240.57.206	PTR	ns1.ukrhosting.com
216.240.57.210	PTR	web2.ukrhosting.com
216.240.57.210	A	conetr.com
216.240.57.233	A	beta.janinchen.swissblog.ch
216.240.57.242	A	benjaminchertoff.com
216.240.57.242	A	wtwo.ca
216.240.57.242	A	fingerlakesphotographer.com
216.240.57.244	A	filmstreamingdailymotionjukebox.skipword.com
216.240.57.244	A	discountmeds.skipword.com
216.240.57.244	A	filmstreamingmegaupload.skipword.com
216.240.57.250	A	and.come.view-pictures.househvar.skipword.com
216.240.57.250	A	38.116profilemessages.househvar.skipword.com
216.240.57.250	A	*.jerry.euro.nyjohn123.skipword.com