Robtex

Up: 216.240.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.240.56.0/23
Down right: 216.240.58.0/23
(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	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
216.240.57.195	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
216.240.58.133	A	ljr-tank-wr2-58.frazmtn.com
216.240.58.134	A	tank-ljr-wr2-58.frazmtn.com
216.240.58.137	PTR	tank-tec-sec-58-eth1
216.240.58.138	A	cess172.com
216.240.58.139	A	knute3.frazmtn.com
216.240.58.140	PTR	rabbitbrush.frazmtn.com
216.240.58.140	A	www.lonejuniper.com
216.240.58.140	A	thealpacastore.com
216.240.58.145	A	ace-att-eth.frazmtn.com
216.240.58.147	A	ace-aerio-eth.frazmtn.com
216.240.58.148	A	ace-local-ap-0.frazmtn.com
216.240.58.149	A+PTR	ace-att-eth.frazmtn.com
216.240.58.150	A	ace-wr-0-ether1.frazmtn.com
216.240.58.151	A	rb500-ace.frazmtn.com
216.240.58.152	A+PTR	ace-switch.frazmtn.com
216.240.58.153	A	ace-powerstrip-1.frazmtn.com
216.240.58.154	A	ace-fpschool.frazmtn.com
216.240.58.161	A	ace-ljr-wlan1-up.frazmtn.com
216.240.58.162	A	ljr-ace-wlan1-up.frazmtn.com
216.240.58.165	A	ace-ljr-wlan2-down.frazmtn.com
216.240.58.172	A	ljr-tank-2.4-wlan1.frazmtn.com
216.240.58.174	A	pintank-wr0.frazmtn.com
216.240.58.177	A	ljr-stat-gw.frazmtn.com
216.240.58.185	A	knute-wan-gw.frazmtn.com
216.240.58.186	A	knute-wan.frazmtn.com
216.240.58.189	A	tank-webrelay.frazmtn.com
216.240.58.190	A+PTR	webrelay-tank.frazmtn.com
216.240.58.194	A+PTR	natbox-rvlot.frazmtn.com
216.240.58.225	A	cisco7223-216-eth.frazmtn.com
216.240.58.226	A	rvlot-216-wan.frazmtn.com
216.240.58.233	A	tank-9port-eth.frazmtn.com
216.240.58.234	A	tank-tecuya.frazmtn.com
216.240.58.235	A	tank-ljr.frazmtn.com
216.240.58.238	A	tank-ljr.frazmtn.com
216.240.58.249	A+PTR	pyoes-ace-gw.frazmtn.com
216.240.59.21	PTR	216-240-59-21.aerioconnect.net
216.240.59.59	PTR	216-240-59-59.aerioconnect.net
216.240.59.60	PTR	216-240-59-60.aerioconnect.net
216.240.59.60	A	ns1.universe.la
216.240.59.60	A	lokison.com
216.240.59.61	PTR	216-240-59-61.aerioconnect.net
216.240.59.61	A	ns2.universe.la
216.240.59.122	PTR	216-240-59-122.aerioconnect.net
216.240.59.191	PTR	216-240-59-191.aerioconnect.net
216.240.59.205	PTR	216-240-59-205.aerioconnect.net