Robtex

Up: 173.209.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 173.209.64.0/21
Down right: 173.209.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.209.65.1	PTR	173-209-65-1-smartcom.sc2000.net
173.209.65.1	A	oftonlos.com
173.209.66.66	PTR	www.e3t.mx
173.209.66.182	PTR	mx1.techsynsol.com
173.209.66.182	A	corergv.com
173.209.66.182	A	*.corergv.com
173.209.67.11	PTR	173-209-67-11-smartcom.sc2000.net
173.209.67.11	A	rgvcggps.com
173.209.67.106	PTR	173-209-67-106-available.sc2000.net
173.209.67.106	A	rgvretina.com
173.209.67.116	PTR	mail.hinoelectric.com
173.209.67.116	A	mail2.dollarsaveenergy.com
173.209.67.148	PTR	173-209-67-148-available.sc2000.net
173.209.67.148	A	baracuda.sapicsc.org
173.209.67.150	PTR	173-209-67-150-available.sc2000.net
173.209.67.150	A	sapicsc.org
173.209.67.150	A	www.sapicsc.org
173.209.67.162	PTR	162.available.sc2000.net
173.209.67.162	A	smtp.charmingpediatrics.net
173.209.67.162	A	charmingdc.charmingpediatrics.net
173.209.67.202	A+PTR	singularity.metroelectric-rgv.com
173.209.67.202	A	ns1.ad.metroelectric-rgv.com
173.209.67.202	A	ad.metroelectric-rgv.com
173.209.67.226	PTR	mail.longchilton.com
173.209.67.226	A	barracuda.longchilton.com
173.209.68.170	A	office.efwhitemedicalbusiness.com
173.209.68.213	PTR	ds3-ser6-1.att-donna.sc2000.net
173.209.68.226	PTR	173-209-68-226-available.sc2000.net
173.209.68.226	A	ns2.psjaisd.us
173.209.68.226	A	ns2.psja.k12.tx.us
173.209.69.2	A+PTR	ngwebfilter.sc2000.net
173.209.69.18	A+PTR	eberle18.sc2000.net
173.209.69.52	A+PTR	email.texasdescon.com
173.209.69.195	A	www.weslacopl.us
173.209.69.197	A	mail.weslacotx.gov
173.209.69.198	A	rocket.weslacopl.us
173.209.69.212	PTR	173-209-69-212-available.sc2000.net
173.209.69.212	A	ns1.edinburgpl.us
173.209.69.213	PTR	173-209-69-213-available.sc2000.net
173.209.69.213	A	ns2.edinburgpl.us
173.209.69.216	PTR	173-209-69-216-smartcom.sc2000.net
173.209.69.216	A	edinburgartsfoundation.com
173.209.69.217	PTR	mail.edinburg.lib.tx.us
173.209.69.217	A	mail.edinburgpl.us
173.209.70.12	PTR	12-70-209-173-available.sc2000.net
173.209.70.14	PTR	14-70-209-173-available.sc2000.net
173.209.70.136	A+PTR	mail.riohondoisd.net
173.209.70.136	A	mail.rhisd.net
173.209.70.136	A	mail.rhisd.com
173.209.70.137	PTR	www.riohondoisd.net
173.209.70.137	A	www.rhisd.net
173.209.70.162	PTR	173-209-70-162-available.sc2000.net
173.209.70.162	A	a5.tamu.edu
173.209.72.18	A+PTR	smtp1.psjaisd.us
173.209.72.20	A+PTR	smtp2.psjaisd.us
173.209.72.26	PTR	173-209-72-26-available.sc2000.net
173.209.72.33	A	sems.psjaisd.us
173.209.72.49	PTR	173-209-72-49-available.sc2000.net
173.209.73.7	A+PTR	barracuda.sharylandisd.org
173.209.73.7	A	mail.sharylandisd.us
173.209.73.7	A	outbound.sharylandisd.org
173.209.73.8	A+PTR	mail.sharylandisd.org
173.209.73.19	A	shsweb.sharylandisd.org
173.209.74.250	A	greatermcallenalliance.com
173.209.74.250	A	truthontheborder.net
173.209.74.250	A	mcalleneb5.org
173.209.76.3	A	holandinvestments.com
173.209.76.3	A	mail.holandinvestments.com
173.209.76.131	PTR	173-209-76-131-available.sc2000.net
173.209.77.10	A+PTR	ns1.ecisd.us
173.209.77.10	A+PTR	r3000.ecisd.us
173.209.77.11	A	ns2.ecisd.us
173.209.77.13	A+PTR	enhs.ecisd.us
173.209.77.23	A+PTR	incoming.ecisd.us
173.209.77.23	PTR	skysmtp.ecisd.us
173.209.77.23	A+PTR	smtp.ecisd.us
173.209.77.45	A	destiny.ecisd.us
173.209.77.84	A	sped.ecisd.us
173.209.77.91	A	absolute.ecisd.us
173.209.77.133	A	mail.ecisd.us
173.209.78.72	A	avidilleneu.com