Robtex

Up: 66.7.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 66.7.0.0/19
Down right: 66.7.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.7.0.1	PTR	x42070001.ip.e-nt.net
66.7.0.2	PTR	x42070002.ip.e-nt.net
66.7.0.128	PTR	x42070080.ip.e-nt.net
66.7.0.190	A	lewisharrison.net
66.7.0.196	PTR	x420700c4.ip.e-nt.net
66.7.1.7	A	x42070107.ip.e-nt.net
66.7.1.13	A	x4207010d.ip.e-nt.net
66.7.1.39	A	x42070127.ip.e-nt.net
66.7.1.57	A	x42070139.ip.e-nt.net
66.7.1.123	A	x4207017b.ip.e-nt.net
66.7.1.137	A	x42070189.ip.e-nt.net
66.7.1.157	A	x4207019d.ip.e-nt.net
66.7.1.177	A	fe0-0-1875conn-igtn10.elinkisp.com
66.7.1.201	A	x420701c9.ip.e-nt.net
66.7.1.216	A	x420701d8.ip.e-nt.net
66.7.1.232	A	x420701e8.ip.e-nt.net
66.7.2.0	PTR	x42070200.ip.e-nt.net
66.7.2.2	PTR	x42070202.ip.e-nt.net
66.7.2.3	PTR	x42070203.ip.e-nt.net
66.7.2.6	A	mail-old.cur.org
66.7.2.198	A	x420702c6.ip.e-nt.net
66.7.4.16	A	x42070410.ip.e-nt.net
66.7.4.103	A	mail.gyhllc.com
66.7.8.66	PTR	x42070842.ip.e-nt.net
66.7.8.66	A	ldiscoveryhosting.org
66.7.8.66	A	ldiscoverywebreview.org
66.7.9.7	A	conduit.elinkisp.com
66.7.9.131	PTR	hq.dc.elinkisp.com
66.7.10.67	PTR	x42070a43.ip.e-nt.net
66.7.12.117	A	x42070c75.ip.e-nt.net
66.7.12.119	A	x42070c77.ip.e-nt.net
66.7.12.120	A	x42070c78.ip.e-nt.net
66.7.12.142	A	123ebuy.com
66.7.12.142	A	www.123ebuy.com
66.7.12.143	A	mail.123ebuy.com
66.7.14.141	A	ldiscovdcftp.net
66.7.14.141	A	ldiscovdcftp.org
66.7.14.141	A	ldiscovdcftp.com
66.7.15.143	A	bkmx.elinkisp.com
66.7.18.0	PTR	x42071200.ip.e-nt.net
66.7.18.90	A	mail.stavinsaxelrod.com
66.7.18.203	A	x420712cb.ip.e-nt.net
66.7.19.109	A	castechgroup.net
66.7.19.109	A	ftcllc.com
66.7.20.101	A	gw1.towercos.com
66.7.20.130	A	harveycompanies.com
66.7.20.130	A	www.harveycompanies.com
66.7.22.4	PTR	x42071604.ip.e-nt.net
66.7.22.31	A	x4207161f.ip.e-nt.net
66.7.22.34	A	masonbella.com
66.7.25.97	A	ns3.ggn.net
66.7.25.97	A	ns-auth3.isp.e-nt.net
66.7.25.97	A	ns-auth.isp.wdc.eggn.net
66.7.25.98	A	ns-rec.isp.wdc.eggn.net
66.7.26.65	PTR	x42071a41.ip.e-nt.net
66.7.28.64	PTR	x42071c40.ip.e-nt.net
66.7.28.65	PTR	x42071c41.ip.e-nt.net
66.7.28.66	PTR	ns1432.ztomy.com
66.7.29.195	PTR	x42071dc3.ip.e-nt.net
66.7.29.195	A	mail.decorm.com
66.7.31.186	A	x42071fba.ip.e-nt.net
66.7.32.138	A	x4207208a.ip.e-nt.net
66.7.33.2	PTR	urc-chs.com
66.7.34.18	A	mail2.cfraonline.com
66.7.34.57	A	x42072239.ip.e-nt.net
66.7.34.67	A	x42072243.ip.e-nt.net
66.7.34.162	A	smtp.firstcentrum.com
66.7.34.215	A	wvoaowhjdxgjkgjyo.com
66.7.35.3	PTR	ns-00.crucialsecurity.com
66.7.36.2	PTR	mail.icl.org
66.7.38.193	PTR	x420726c1.ip.e-nt.net
66.7.40.210	A	mail.capitolcityhotels.com
66.7.40.210	A	mail.discountwashingtondchotels.com
66.7.41.214	A	exchange.aldonmanagement.com
66.7.48.28	A	mailsvr1-ssdc.aed.org
66.7.48.29	A	mail.glp.net
66.7.48.29	A	listserv.aed.org
66.7.48.29	A	listserv.glp.net
66.7.53.3	PTR	host3.sansarcapital.com
66.7.53.195	PTR	host195.sansarcapital.com
66.7.54.54	A	fiumalbo.com
66.7.54.54	A	lurisia.com
66.7.54.54	A	mail.lurisia.com
66.7.54.66	PTR	x42073642.ip.e-nt.net
66.7.54.114	A	mail3.mmcnorthamerica.com
66.7.56.115	A	mail.rmscap.com
66.7.57.1	PTR	host1.mgatecap.com
66.7.58.13	PTR	qatest.epsilon.com
66.7.58.14	A+PTR	qatest.epsilon.com
66.7.58.140	PTR	mail1.epsiloninteractive.com
66.7.58.141	PTR	mail2.epsiloninteractive.com
66.7.58.145	A	extqa.epsiloninteractive.com
66.7.58.146	A	xfer.epsiloninteractive.com
66.7.58.147	A	xferftp.bigfootinteractive.com
66.7.58.149	A	replytest.epsiloninteractive.com
66.7.58.192	A+PTR	webmail.epsiloninteractive.com
66.7.58.192	A	webmail.bigfootinteractive.com
66.7.58.201	A	epsilonwebstaging.com
66.7.58.201	A	epsilonwebqa.com
66.7.61.0	PTR	x42073d00.ip.e-nt.net
66.7.61.66	PTR	x42073d42.ip.e-nt.net
66.7.63.192	PTR	x42073fc0.ip.e-nt.net
66.7.63.196	A	mx4.hadassah.org