Robtex

Up: 206.30.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 206.30.161.0/25
Down right: 206.30.161.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.30.161.4	A	nspi-dns.nspi.com
206.30.161.4	A	nspi-dns.nspnet.com
206.30.161.6	PTR	nspnet.com
206.30.161.6	A	nspi-out.nspi.com
206.30.161.6	A	nspi-out.nspnet.com
206.30.161.14	A	nspi-wf.nspnet.com
206.30.161.15	A	nspi-dns.ccbanet.com
206.30.161.16	A	gwrr1.nspnet.com
206.30.161.16	A	gwrr.nspnet.com
206.30.161.18	PTR	railcarmgt.com
206.30.161.18	PTR	exch2000.corp.awsphysicians.com
206.30.161.22	A	ws.nspnet.com
206.30.161.28	PTR	www.nspnet.com
206.30.161.37	A+PTR	mail.essexlane.com
206.30.161.37	A	essexlane.com
206.30.161.42	PTR	cticid
206.30.161.42	PTR	cticid.com
206.30.161.42	PTR	ftp.cticid
206.30.161.50	A	gwi.nspnet.com
206.30.161.50	A	gwi-hostfront.nspnet.com
206.30.161.51	A	domino.nspnet.com
206.30.161.59	A	limited.nspnet.com
206.30.161.60	A+PTR	rmi.nspnet.com
206.30.161.61	A+PTR	news.nspnet.com
206.30.161.66	PTR	www.nspionline.com
206.30.161.66	A+PTR	ftp.nspnet.com
206.30.161.66	A+PTR	nspiweb.nspnet.com
206.30.161.73	A	as400team.nspi.com
206.30.161.81	A+PTR	media.nspi.com
206.30.161.82	A	mail.nspnet.com
206.30.161.84	A+PTR	termserv.nspi.com
206.30.161.84	A+PTR	ocsweb.nspionline.com
206.30.161.84	PTR	citrix.nspnet.com
206.30.161.87	A	www.wc.kroenkemis.com
206.30.161.87	A	www.ou.kroenkemis.com
206.30.161.87	A	www.exeter.kroenkemis.com
206.30.161.88	PTR	smtpedge.heritageproperty.com
206.30.161.88	A+PTR	smtpedge.nspionline.com
206.30.161.88	A+PTR	smtp.paperwrks.com
206.30.161.117	A	ftp.hma-corp.com
206.30.161.118	PTR	www.ifinaces.tv
206.30.161.119	PTR	www.awsphysicians.com
206.30.161.119	PTR	ftp.choateco.com
206.30.161.119	PTR	www.choateco.com
206.30.161.138	A	nspi-link.nspnet.com
206.30.161.140	PTR	nspi.com
206.30.161.140	A+PTR	nspi-relay.nspi.com
206.30.161.150	A	eagle.nspnet.com
206.30.161.155	PTR	www.ckspackaging.com
206.30.161.161	A	amerifleetcanada.com
206.30.161.161	A	amerifleetservices.com
206.30.161.161	A	amerifleet.net
206.30.161.166	PTR	mail.bagatawaylacrosse.com
206.30.161.168	PTR	mail.heritageproperty.com
206.30.161.168	PTR	smtp.heritageproperty.com
206.30.161.182	PTR	mailout.interfaceinc.com
206.30.161.189	A	media.nspnet.com
206.30.161.195	A+PTR	nspi-exch1.nspi.com
206.30.161.195	A+PTR	nspi-exch1.nspnet.com
206.30.161.209	A+PTR	exchcorp.nspnet.com
206.30.161.209	A	exchatl.nspnet.com
206.30.161.212	A	support.nspi.com
206.30.161.213	A	autotask.nspi.com
206.30.161.220	A+PTR	nspiproj.nspi.info
206.30.161.220	A+PTR	www.nspi.info
206.30.161.221	A+PTR	exchatl.nspionline.com
206.30.161.230	PTR	navmail1.gwrr.com
206.30.161.249	A+PTR	s1024a3e.nspi.com