Robtex

Up: 137.66.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 137.66.0.0/17
Down right: 137.66.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
137.66.2.1	PTR	slip1.msc.edu
137.66.2.2	PTR	slip2.msc.edu
137.66.6.1	PTR	msp-7505-cr001.netaspx.com
137.66.6.2	A+PTR	int-fw.netaspx.com
137.66.6.3	A	int-fwfo.netaspx.com
137.66.7.18	A+PTR	asp-fw.netaspx.com
137.66.16.1	A+PTR	vmsp1-dnsf-ib01.netaspx.com
137.66.16.1	A	ns1.networkcs.com
137.66.16.1	A	mail2.networkcs.com
137.66.16.2	PTR	srv0705.netaspx.com
137.66.16.4	PTR	inmailgw1.netaspx.com
137.66.16.5	PTR	outmailgw1.netaspx.com
137.66.32.1	A	mf-qfa0.networkcs.com
137.66.32.2	PTR	mail.networkmedics.com
137.66.32.4	A	networkmedics.com
137.66.32.4	A	hostmaster.networkmedics.com
137.66.32.4	A	*.networkmedics.com
137.66.35.2	A+PTR	su.networkcs.com
137.66.43.5	A	velocityzoom.com
137.66.92.3	PTR	mychartpa.c0y6.netaspx.com
137.66.92.3	A	mybrookdale.org
137.66.92.4	A	epiccarepa.c0y6.netaspx.com
137.66.92.4	A	brookdalelink.org
137.66.92.5	A	cepa.c0y6.netaspx.com
137.66.112.2	A+PTR	mail.digitalconcourse.com
137.66.112.2	A	mail.dcsend.com
137.66.112.4	PTR	host137-66-112-4.netaspx.com
137.66.112.4	A	velocityworldwide.com
137.66.112.4	A	dcsend.com
137.66.129.145	PTR	host129-145.netaspx.com
137.66.129.145	A	lawpa.c125.netaspx.com
137.66.129.203	PTR	host129-203.netaspx.com
137.66.131.65	A+PTR	lawpb.c0xn.netaspx.com
137.66.131.74	A	lawpa.c0y8.netaspx.com
137.66.131.125	A+PTR	css-velp.c0xg.netaspx.com
137.66.131.139	PTR	lawdb.c0xj.netaspx.com
137.66.131.211	A	ratnerredirectlawpa.c11u.netaspx.com
137.66.136.4	PTR	host136-4.netaspx.com
137.66.146.54	PTR	kronospc1.c0s7.netaspx.com
137.66.147.96	A+PTR	inforpc.c0ui.netaspx.com
137.66.148.11	A+PTR	b2bpa.c094.netaspx.com
137.66.148.11	A	www.mygolfportal.com
137.66.148.11	A	mygolfportal.com
137.66.155.41	A+PTR	srv0032.netaspx.com
137.66.162.51	PTR	host162-51.netaspx.com
137.66.162.51	A	first-source.com
137.66.162.51	A	www.first-source.com
137.66.166.165	A+PTR	kronospa.c101.netaspx.com
137.66.166.165	A	kronos.c101.netaspx.com
137.66.167.246	A	scionesource-test.com
137.66.167.254	PTR	law8.srv8000.netaspx.com
137.66.167.254	A	hronesource.org
137.66.200.21	PTR	citrixpa.c0y6.msp.netaspx.com
137.66.200.21	A	citrixpa.c0y6.netaspx.com
137.66.200.26	A	mybrookdale.org
137.66.200.26	A	mychartpa.c0y6.netaspx.com
137.66.200.27	A	epiccarepa.c0y6.netaspx.com
137.66.200.27	A	brookdalelink.org
137.66.200.28	A+PTR	cepa.c0y6.netaspx.com
137.66.250.131	A+PTR	idns002.netaspx.com
137.66.250.131	A	minneapolis.netaspx.com
137.66.250.131	A	aspx-smtp.netaspx.com
137.66.250.151	PTR	host137-66-250-151.netaspx.com
137.66.253.167	A+PTR	xt1db1.netaspx.com