Robtex

Up: 216.133.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 216.133.0.0/19
Down right: 216.133.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.133.2.171	PTR	smtp.vccusa.com
216.133.4.79	PTR	ns2.netchemistry.com
216.133.4.111	A	juicewellness.com
216.133.4.111	A	escondidotemple.org
216.133.4.130	A+PTR	goldengate.kojoworldwide.com
216.133.4.130	A	ns1.sacadia.com
216.133.4.134	A	spinal.kojoworldwide.com
216.133.4.137	A	*.kojoworldwide.com
216.133.6.1	A	msc-gw1.mscnet.com
216.133.6.2	A	fw1.mscnet.com
216.133.6.3	PTR	ns1.mscnet.com
216.133.6.3	A	webdns.mscnet.com
216.133.6.5	A+PTR	nt3.mscnet.com
216.133.6.77	A	mail.marketing-software.com
216.133.6.118	A	joannstats1.mscnet.com
216.133.6.121	A	www.marketing-software.com
216.133.6.121	A	web01.mscnet.com
216.133.6.130	A	mopier320.mscnet.com
216.133.6.131	A	joannmail.mscnet.com
216.133.6.139	A	hp5si.mscnet.com
216.133.6.147	A	ftp.xtechsys.com
216.133.6.203	PTR	allaboutyournetwork.com
216.133.6.203	A+PTR	www.allaboutyournetwork.com
216.133.6.203	PTR	ns0.dc-sys.com
216.133.8.21	A	gatewaymiddle.net
216.133.8.69	A+PTR	mail.accu-image.com
216.133.8.72	A	demo.accu-image.com
216.133.8.73	A	mail.quickworkflow.com
216.133.8.73	A	mx1.accu-image.com
216.133.8.229	A	gatewayhigh.net
216.133.9.122	A	mail.ghirardocpa.com
216.133.9.251	A	www.sfcarshare.net
216.133.14.249	PTR	ns2.epsilon.net
216.133.23.2	PTR	epsilon.net
216.133.23.248	PTR	ns1.epsilon.net
216.133.26.12	A	www.insurance-dfw.com
216.133.26.12	A	purplepumpkinpromotions.com
216.133.26.12	A	insurance-dfw.com
216.133.26.87	A+PTR	groupwise.1199nefunds.org
216.133.26.90	A+PTR	barracuda.1199nefunds.org
216.133.26.93	A+PTR	exchange.1199nefunds.org
216.133.27.154	A	mail.rmginv.com
216.133.27.154	A	barracuda.rmginv.com
216.133.28.74	A	httlsb.org
216.133.28.74	A	*.httlsb.org
216.133.28.74	A	cargonetlog.net
216.133.29.194	A	sanclementeallergy.com
216.133.29.194	A	mail.dorothycalabrese.com
216.133.29.194	A	transfer-factor.org
216.133.30.90	A+PTR	mail.fabricmate.com
216.133.30.90	A	remote.fabricmate.com
216.133.30.107	A	www.californiasystem.com
216.133.30.107	A	*.californiasystem.com
216.133.30.215	A	ahpsc.com
216.133.30.220	A	dis-server.myetel.com
216.133.30.240	A	southpasadenapostalcenter.com