Robtex

Up: 209.173.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 209.173.57.0/25
Down right: 209.173.57.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.173.57.8	PTR	neustar.kids.us
209.173.57.9	A	srs.registrars.travel
209.173.57.13	PTR	whois.nic.us
209.173.57.13	A	liveplaysusa.us
209.173.57.13	A	gruascarlos.biz
209.173.57.15	A	4u-ote.reg.eglb.neustar.com
209.173.57.15	A	ote.registry.4u.com
209.173.57.17	PTR	whois.neustar
209.173.57.17	A+PTR	whois.nic.neustar
209.173.57.25	A+PTR	wmrs.neustar.biz
209.173.57.26	PTR	neulevel.cn
209.173.57.26	PTR	neustar.cn
209.173.57.26	PTR	neustar.tw
209.173.57.27	A+PTR	stop.neustar.us
209.173.57.32	A+PTR	chntsadmin-1.neustar.biz
209.173.57.33	A+PTR	chntsadmin-2.neustar.biz
209.173.57.33	A+PTR	ntsweb-charlotte.neustar.biz
209.173.57.34	PTR	tw.neustar.biz
209.173.57.35	A	tw-ote.reg.eglb.neustar.com
209.173.57.38	A	ote.registrars.travel
209.173.57.44	A	www.services.biz
209.173.57.56	PTR	etns.org
209.173.57.56	PTR	www.etns.org
209.173.57.63	PTR	equaloteregistry.xdi.net
209.173.57.63	PTR	equal-ote.xri.net
209.173.57.72	A	chreftp1.neustar.com
209.173.57.74	A+PTR	ns2.neulevel.biz
209.173.57.74	A+PTR	cypress.neustar.com
209.173.57.80	A	neusupport-nc.neustar.biz
209.173.57.84	A	ns4.neulevel.biz
209.173.57.86	A	chntsadmin-3.neustar.biz
209.173.57.87	A	chihftp1.nc.neustar.com
209.173.57.162	PTR	b.gtld.biz
209.173.57.162	A	d.nic.tel
209.173.57.162	A	root-il.neulevel.com
209.173.57.163	A	cityoftoledooh.us
209.173.57.163	A	pcipb.us
209.173.57.163	A	www.neustarregistry.us
209.173.57.164	A+PTR	srs.neulevel.biz
209.173.57.166	A	ote.neulevel.biz
209.173.57.166	A	www.ultradns.biz
209.173.57.166	A	biz-ote.reg.eglb.neustar.com
209.173.57.167	A+PTR	neustarcareers.biz
209.173.57.167	PTR	neustarcareers.com
209.173.57.167	PTR	ultradnstools.com
209.173.57.168	PTR	neustarcare.net
209.173.57.168	PTR	neustarcare.org
209.173.57.169	PTR	whois.biz
209.173.57.169	PTR	whois.neulevel.biz
209.173.57.169	PTR	whois.nic.biz
209.173.57.173	A	drs.neulevel.biz
209.173.57.174	PTR	xri.net
209.173.57.174	A	proxy.xri.net
209.173.57.174	A	public.xdi.org
209.173.57.180	PTR	iab.org
209.173.57.180	PTR	iesg.org
209.173.57.182	PTR	neustarpartner.asia
209.173.57.182	PTR	helloneustar.biz
209.173.57.182	PTR	mobilenextbigthing.biz
209.173.57.188	A	equal.xri.net
209.173.57.189	A	at.xri.net
209.173.57.190	A+PTR	bang.xri.net
209.173.57.202	A+PTR	dotus.neustar.us
209.173.57.225	A	inetgw.il.neustar.com