Robtex

Up: 209.71.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 209.71.0.0/18
Down right: 209.71.64.0/18

IP	Type	Hostname
209.71.2.10	PTR	www.sancoa.com
209.71.3.1	PTR	afol-gw.afol.com
209.71.3.2	PTR	afol.com
209.71.4.2	A	csu.scs.pvt.k12.de.us
209.71.4.2	A	scs.pvt.k12.de.us
209.71.5.1	PTR	nycsd.k12.pa.us
209.71.5.3	PTR	mail.nycsd.k12.pa.us
209.71.11.130	PTR	wtps.org
209.71.15.62	PTR	kdn-server-01.kdnins.com
209.71.19.251	A	ceerdsaloper.ooo
209.71.28.12	A+PTR	laptop2.voicenet.com
209.71.37.134	A	csg.einstein.edu
209.71.37.141	A	basa1.einstein.edu
209.71.37.144	A	mail.mont-hosp.com
209.71.37.181	A	email.einstein.edu
209.71.38.2	A+PTR	einstein-dialup-02.einstein.edu
209.71.38.6	A	einstein-dialup-06.einstein.edu
209.71.38.7	A	einstein-dialup-07.einstein.edu
209.71.38.12	A	einstein-dialup-12.einstein.edu
209.71.38.132	A	einstein-dialup-132.einstein.edu
209.71.38.133	A	einstein-dialup-133.einstein.edu
209.71.38.134	A	einstein-dialup-134.einstein.edu
209.71.38.138	A	einstein-dialup-138.einstein.edu
209.71.42.128	A	gpmlibrary.com
209.71.42.135	PTR	gpm.calkinsmail.com
209.71.42.174	PTR	corp.calkinsmail.com
209.71.42.174	A	mail.calkins-media.com
209.71.42.174	A	calkins-media.com
209.71.42.201	PTR	www.phillyburbs.com
209.71.47.1	PTR	clockwork.com
209.71.50.5	PTR	dialup1305-pri.dialup13.voicenet.com
209.71.50.7	PTR	dialup1307-pri.dialup13.voicenet.com
209.71.50.8	PTR	dialup1308-pri.dialup13.voicenet.com
209.71.50.129	PTR	dialup1505-pri.dialup15.voicenet.com
209.71.50.130	PTR	dialup1506-pri.dialup15.voicenet.com
209.71.50.131	PTR	dialup1507-pri.dialup15.voicenet.com
209.71.52.130	PTR	dialup17x01-pri.dialup17x.voicenet.com
209.71.57.4	PTR	lata222-08-04.lata222.voicenet.com
209.71.59.21	A	www.casualcandids.com
209.71.59.24	A	eacvisualdata.net
209.71.59.41	A	globalreach-inc.com
209.71.59.41	A	spyponders.com
209.71.59.130	A	merckzone.net
209.71.59.131	A	merckecddev.com
209.71.63.2	A	mail.philadelphiaweekly.com
209.71.63.25	A	firewall-vn.philadelphiaweekly.com
209.71.63.100	PTR	mail.lustinthecity.com
209.71.63.200	PTR	reviewpublishing.com
209.71.63.200	PTR	mail.reviewpublishing.com
209.71.63.202	A+PTR	mail.southphillyreview.com
209.71.63.205	A	mail.acweekly.com
209.71.66.19	PTR	mail.firedistrict2lt.org
209.71.72.3	PTR	mail.musicchoice.com
209.71.75.5	PTR	mail.schoollane.org
209.71.85.3	PTR	dialpool0103-pri.dialpool01.voicenet.com
209.71.85.131	PTR	dialpool0303-pri.dialpool03.voicenet.com
209.71.86.4	PTR	dialpool0504-pri.dialpool05.voicenet.com
209.71.89.4	PTR	dialpool1304-pri.dialpool13.voicenet.com
209.71.90.132	PTR	gaypa.org
209.71.99.34	PTR	matrixtech.net
209.71.100.209	A+PTR	mx209.patc2.voicenet.com
209.71.100.209	A	listserver.wilmingtonfriends.net
209.71.100.209	A	listserver.wilmingtonfriends.org
209.71.112.62	PTR	server.financialgroupplus.com