Robtex

Up: 67.217.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 67.217.56.0/23
Down right: 67.217.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.217.56.14	A	vefvistun.net
67.217.56.14	A	*.vefvistun.net
67.217.56.16	A	universebackup.com
67.217.56.33	A	*.jeffteitel.com
67.217.56.39	A	admin.webstx.com
67.217.56.39	A	webstx.com
67.217.56.39	A	*.webstx.com
67.217.56.98	PTR	milton.worldispnetwork.com
67.217.56.113	A	kevin.newage-hosting.com
67.217.56.113	A	postmaster.newage-hosting.com
67.217.56.113	A	newage-hosting.com
67.217.56.116	A	www.ghostforhost.com
67.217.56.116	A	ghostforhost.com
67.217.56.116	A	*.ghostforhost.com
67.217.56.189	A	*.squaredhost.com
67.217.56.189	A	squaredhost.com
67.217.56.189	A	info.squaredhost.com
67.217.56.254	A	gadgetshopper.worldispnetwork.com
67.217.57.10	PTR	milton.worldispnetwork.com
67.217.57.110	PTR	mail1.worldplanethosting.com
67.217.57.122	PTR	mail1.worldplanethosting.com
67.217.57.132	PTR	mail1.worldplanethosting.com
67.217.57.147	A+PTR	mail10.worldispnetwork.com
67.217.57.147	A	mail.denverpetcemetery.com
67.217.57.150	PTR	mail10.worldispnetwork.com
67.217.57.160	PTR	mail10.worldispnetwork.com
67.217.57.200	PTR	mail10.worldispnetwork.com
67.217.57.201	PTR	mail10.worldispnetwork.com
67.217.58.19	A+PTR	ns1.infoxpress-hosting.com
67.217.58.23	PTR	ns1.rutservices.com
67.217.58.26	A+PTR	ns1.poeticweb.com
67.217.58.29	PTR	ns1.agrtechnologies.com
67.217.58.32	PTR	ns1.ugandawebhosting.com
67.217.58.41	A+PTR	ns1.capnolearning.net
67.217.58.49	PTR	ns1.estesinteractive.com
67.217.58.51	PTR	ns1.vcarehosting.com
67.217.58.52	PTR	ns1.indianhosting.co.in
67.217.58.56	A+PTR	ns1.jobberworld.com
67.217.58.73	PTR	ns1.vefvistun.net
67.217.58.80	PTR	ns1.e3q.com
67.217.58.84	PTR	ns1.fd-it.com
67.217.58.89	PTR	ns1.nawadarathosting.com
67.217.58.90	PTR	ns1.vistadominios.com
67.217.58.99	A+PTR	ns1.starlitedesign.com.br
67.217.58.106	PTR	ns1.mycompudata.com
67.217.58.112	PTR	ns1.pioneerlabs.com
67.217.58.112	PTR	ns1-2.pioneerlabs.com
67.217.58.112	PTR	ns1-3.pioneerlabs.com
67.217.58.125	PTR	ns1.dacomputer.com
67.217.58.125	A+PTR	ns1.dawebhosting.com
67.217.58.129	PTR	ns1.commandhost.net
67.217.58.138	PTR	ns1.krcsinc.com
67.217.58.150	PTR	ns1.bitrahosting.com
67.217.58.160	A	ns1.greenhoop.com
67.217.58.163	PTR	ns1.sheerwebhost.com
67.217.58.169	PTR	ns1.saitechinc.com
67.217.58.172	PTR	ns1.sibaconcepts.com
67.217.58.177	PTR	ns1.websolutions.co.tz
67.217.58.184	A+PTR	ns1.vivashosting.com
67.217.58.187	PTR	ns1.ebiz4india.us
67.217.58.189	PTR	ns1.365websitehosting.net
67.217.58.194	PTR	ns1.zenitnetwork.net
67.217.58.212	A+PTR	ns1.aquarianstarinc.com
67.217.58.214	PTR	ns1.giamihosting.com
67.217.58.216	A+PTR	ns1.byersservices.com
67.217.58.219	A+PTR	ns1.adalco.net
67.217.58.227	A	ns1.asriyahost.com
67.217.58.228	PTR	ns1.asp-connection.com
67.217.58.230	A+PTR	ns1.831host.com
67.217.58.235	A	ns1.pahbedah.com
67.217.58.238	PTR	ns1.sgei.com
67.217.58.245	A	ns1.defture.com
67.217.58.251	A+PTR	ns1.squaredhost.com
67.217.58.252	A+PTR	ns1.bekingohost.com
67.217.59.2	A+PTR	ns1.ghostforhost.com
67.217.59.4	A	ns1.dimarcosoftwaredesign.com
67.217.59.8	PTR	ns1.whirlhosting.com
67.217.59.9	A	ns1.protechme.net
67.217.59.13	PTR	ns1.eritemhost.com
67.217.59.14	PTR	ns1.rentahosting.com
67.217.59.19	PTR	ns1.khmersystem.com
67.217.59.20	A	ns1.shawnclarkhosting.com
67.217.59.22	PTR	ns1.solutionsris.com
67.217.59.25	PTR	ns1.orbilnet.com
67.217.59.36	A+PTR	ns1.unosite.com.br
67.217.59.40	PTR	ns1.advantaserve.com
67.217.59.42	A+PTR	ns1.iubon.com
67.217.59.45	A+PTR	ns1.vividserver.com
67.217.59.47	A	ns1.amadeushosting.com
67.217.59.50	PTR	ns1.coogar.eu
67.217.59.55	A+PTR	ns1.strondax-ng.com
67.217.59.77	PTR	ns1.ulticypex.net
67.217.59.83	PTR	ns1.hitech360.com
67.217.59.85	PTR	ns1.songmaynetsolutions.com
67.217.59.88	A+PTR	ns1.bbv.net
67.217.59.88	PTR	ns1.bigbearvalley.net
67.217.59.99	PTR	ns1.webhostfort.net
67.217.59.99	A	ns1.mh-sites.com
67.217.59.99	A	ns1.webstx.com
67.217.59.101	A+PTR	ns1.holtandholt.com
67.217.59.102	PTR	ns1.mnmhost.com
67.217.59.115	PTR	ns1.only1host.com
67.217.59.116	A+PTR	ns1.highspeedweb.com
67.217.59.120	PTR	ns1.docusoft.co.il
67.217.59.122	A+PTR	ns1.saturnets.com
67.217.59.126	PTR	ns1.libyaseyes.com
67.217.59.130	PTR	ns1.ideallyhosted.com
67.217.59.137	PTR	ns1.vinci-designs.com
67.217.59.147	PTR	ns1.soluserver.net
67.217.59.151	PTR	ns1.emhost.org
67.217.59.155	PTR	ns1.royaluganda.net
67.217.59.157	PTR	ns1.gigraphichost.com
67.217.59.166	PTR	ns1.tenfourweb.com
67.217.59.168	PTR	ns1.hyperspeedhosting.com
67.217.59.172	A+PTR	ns1.diagnostic-imaging-centers.com
67.217.59.183	PTR	ns1.binaryproducts.com
67.217.59.185	PTR	ns1.printbit.com
67.217.59.193	PTR	ns1.digitshost.com
67.217.59.194	A	ns1.youcanbeontheweb.com
67.217.59.195	PTR	ns1.jbwebservices.com
67.217.59.208	A	ns1.blacknexus.net
67.217.59.209	A+PTR	ns1.negofon.com
67.217.59.212	PTR	ns1.3wz.com.br
67.217.59.212	PTR	ns.fastlink.com.br
67.217.59.212	PTR	ns1.iventure.com.br
67.217.59.219	A+PTR	ns1.sanangel.com
67.217.59.220	PTR	ns1.kedihost.com
67.217.59.223	PTR	ns1.iconnectidc.com.br
67.217.59.231	PTR	ns1.rickandersonenterprises.net
67.217.59.238	PTR	ns1.jason-cn.net
67.217.59.239	PTR	ns1.hostpixact.com
67.217.59.242	PTR	ns1.futuremediatrix.com
67.217.59.244	PTR	ns1.ccehosting.com
67.217.59.245	PTR	ns1.marswebs.net
67.217.59.249	A	ns1.holzemfamily.com