Robtex

Up: 208.39.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 208.39.128.0/18
Down right: 208.39.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.39.128.0	A+PTR	208-39-128-0-static.hfc.comcastbusiness.net
208.39.129.204	A	cedarcreekpark.com
208.39.129.204	A	208-39-129-204-static.hfc.comcastbusiness.net
208.39.136.91	PTR	208-39-136-91.isp.comcastbusiness.net
208.39.136.91	A	www.pinehill.k12.nj.us
208.39.136.92	A+PTR	208-39-136-92.isp.comcastbusiness.net
208.39.136.176	A	nat-208-39-136-176.cinnaminson.com
208.39.137.2	A+PTR	208-39-137-2.isp.comcastbusiness.net
208.39.137.7	A	208-39-137-7.isp.comcastbusiness.net
208.39.137.16	A	208-39-137-16.isp.comcastbusiness.net
208.39.137.21	A	208-39-137-21.isp.comcastbusiness.net
208.39.137.137	A	208-39-137-137.isp.comcastbusiness.net
208.39.137.140	A	208-39-137-140.isp.comcastbusiness.net
208.39.137.155	A	208-39-137-155.isp.comcastbusiness.net
208.39.137.163	A	208-39-137-163.isp.comcastbusiness.net
208.39.138.21	A+PTR	208-39-138-21.isp.comcastbusiness.net
208.39.138.21	A	chintsanhao.com.tw
208.39.140.1	A	ge-5-0-cr01.whm.comcastcommercial.net
208.39.140.41	PTR	ns3.comcastbusiness.net
208.39.140.42	A+PTR	ns.whm.comcastcommercial.net
208.39.140.43	PTR	ntp.whm.comcastcommercial.net
208.39.140.43	A+PTR	ntp03.comcastbusiness.net
208.39.140.77	A	at-8-0-0-2-br01.whm.comcastcommercial.net
208.39.140.137	A+PTR	at-7-1-0-15-br01.whm.comcastcommercial.net
208.39.140.145	A	at-7-1-0-14-br01.whm.comcastcommercial.net
208.39.140.173	A+PTR	at-7-1-0-10-br01.whm.comcastcommercial.net
208.39.140.197	A+PTR	at-7-1-0-7-br01.whm.comcastcommercial.net
208.39.141.5	A	208-39-141-5.isp.comcastbusiness.net
208.39.141.60	A	208-39-141-60.isp.comcastbusiness.net
208.39.141.61	A	208-39-141-61.isp.comcastbusiness.net
208.39.141.67	A	208-39-141-67.isp.comcastbusiness.net
208.39.141.195	A	208-39-141-195.isp.comcastbusiness.net
208.39.141.249	A	208-39-141-249.isp.comcastbusiness.net
208.39.142.2	A+PTR	208-39-142-2.isp.comcastbusiness.net
208.39.142.19	A	webmail.co.ho.md.us
208.39.142.28	A	208-39-142-28.isp.comcastbusiness.net
208.39.142.41	A	208-39-142-41.isp.comcastbusiness.net
208.39.142.128	PTR	208-39-142-128.isp.comcastbusiness.net
208.39.143.174	PTR	smtp1.cecil.edu
208.39.143.176	PTR	mail.cecil.edu
208.39.143.177	PTR	nename.cecil.edu
208.39.143.182	A	208-39-143-182-static.hfc.comcastbusiness.net
208.39.144.1	PTR	208-39-144-1.isp.comcastbusiness.net
208.39.144.3	A	208-39-144-3.isp.comcastbusiness.net
208.39.144.4	A	208-39-144-4.isp.comcastbusiness.net
208.39.144.5	A	208-39-144-5.isp.comcastbusiness.net
208.39.144.11	A	208-39-144-11.isp.comcastbusiness.net
208.39.144.129	A	208-39-144-129.isp.comcastbusiness.net
208.39.144.130	A	208-39-144-130.isp.comcastbusiness.net
208.39.144.132	A	208-39-144-132.isp.comcastbusiness.net
208.39.144.136	A	208-39-144-136.isp.comcastbusiness.net
208.39.146.33	A	208-39-146-33.isp.comcastbusiness.net
208.39.151.138	PTR	sophosemail.centennialsd.org
208.39.152.20	A+PTR	208-39-152-20-static.hfc.comcastbusiness.net
208.39.153.7	A	comcasttechcenter.com
208.39.153.11	A	flyersalumni.com
208.39.153.35	A	hughtube.tv
208.39.153.35	A	oldphilly.comcastsportsnet.com
208.39.153.243	PTR	smtp-out.comcast-spectacor.com
208.39.153.244	PTR	smtp-in.comcast-spectacor.com
208.39.153.244	PTR	spam.comcast-spectacor.com
208.39.156.98	A	208.39.156.98.biz.sta.comcastbusiness.net
208.39.156.146	A+PTR	208.39.156.146.biz.sta.comcastbusiness.net
208.39.157.2	PTR	208.39.157.2.biz.sta.comcastbusiness.net
208.39.157.4	A	208.39.157.4.biz.sta.comcastbusiness.net
208.39.157.14	A	208.39.157.14.biz.sta.comcastbusiness.net
208.39.157.16	A	208.39.157.16.biz.sta.comcastbusiness.net
208.39.157.19	A	208.39.157.19.biz.sta.comcastbusiness.net
208.39.157.131	PTR	ge-1-0-0-br02.snj.comcastcommercial.net
208.39.157.133	A	208.39.157.133.biz.sta.comcastbusiness.net
208.39.157.140	A	208.39.157.140.biz.sta.comcastbusiness.net
208.39.157.151	A	208.39.157.151.biz.sta.comcastbusiness.net
208.39.157.154	A	208.39.157.154.biz.sta.comcastbusiness.net
208.39.158.1	PTR	ns1.comcastbusiness.net
208.39.158.2	PTR	ns.snj.comcastcommercial.net
208.39.158.2	A	dunn1878.com
208.39.158.3	A+PTR	ntp01.comcastbusiness.net
208.39.158.3	PTR	208-39-158-3.isp.comcastbusiness.net
208.39.158.3	PTR	ntp.snj.comcastcommercial.net
208.39.158.34	A	208-39-158-34.isp.comcastbusiness.net
208.39.158.43	A	208-39-158-43.isp.comcastbusiness.net
208.39.158.129	A	letterbox.mycomcast.com
208.39.158.130	PTR	comcasttel.com
208.39.158.130	PTR	broadbandcommuter.net
208.39.158.130	PTR	www.broadbandcommuter.net
208.39.158.131	A	208-39-158-131.isp.comcastbusiness.net
208.39.158.132	A	apps.comcastbusiness.com
208.39.158.132	A	208-39-158-132.isp.comcastbusiness.net
208.39.158.135	A	apps.comcastbusiness.com
208.39.159.34	A+PTR	208-39-159-34.isp.comcastbusiness.net
208.39.161.2	A+PTR	208-39-161-2-static.hfc.comcastbusiness.net
208.39.161.65	PTR	btvircom.bordentown.k12.nj.us
208.39.161.140	PTR	email.sjhs.com
208.39.161.146	PTR	secureftp.sjhs.com
208.39.161.250	A	mailrelay.sjhs.com
208.39.164.12	A	208-39-164-12.isp.comcastbusiness.net
208.39.164.112	A	208-39-164-112.isp.comcastbusiness.net
208.39.164.127	A	208-39-164-127.isp.comcastbusiness.net
208.39.164.176	A	208-39-164-176.isp.comcastbusiness.net
208.39.164.179	A	208-39-164-179.isp.comcastbusiness.net
208.39.164.185	A	208-39-164-185.isp.comcastbusiness.net
208.39.164.218	A	208-39-164-218.isp.comcastbusiness.net
208.39.165.0	A	208-39-165-0-static.hfc.comcastbusiness.net
208.39.165.20	PTR	mail.scrsd.org
208.39.165.23	PTR	barracuda.scrsd.org
208.39.165.60	A	plato.scrsd.org
208.39.165.95	A	eschoolplus.scrsd.org
208.39.165.100	A	dnsnort.scrsd.net
208.39.165.130	A+PTR	208-39-165-130-static.hfc.comcastbusiness.net
208.39.165.131	PTR	208-39-165-131-static.hfc.comcastbusiness.net
208.39.165.131	A	ctclc.edu
208.39.169.3	A+PTR	208-39-169-3.isp.comcastbusiness.net
208.39.169.6	A	208-39-169-6.isp.comcastbusiness.net
208.39.169.12	A	208-39-169-12.isp.comcastbusiness.net
208.39.169.14	A	208-39-169-14.isp.comcastbusiness.net
208.39.169.128	A	208-39-169-128.isp.comcastbusiness.net
208.39.169.129	PTR	208-39-169-129.isp.comcastbusiness.net
208.39.169.130	A+PTR	mail.rmsservices.com
208.39.169.133	A	208-39-169-133.isp.comcastbusiness.net
208.39.169.136	A	208-39-169-136.isp.comcastbusiness.net
208.39.170.7	A	208-39-170-7.isp.comcastbusiness.net
208.39.170.8	A	208-39-170-8.isp.comcastbusiness.net
208.39.170.17	A	208-39-170-17.isp.comcastbusiness.net
208.39.170.21	A	208-39-170-21.isp.comcastbusiness.net
208.39.170.129	A+PTR	208-39-170-129.isp.comcastbusiness.net
208.39.170.130	A+PTR	208-39-170-130.isp.comcastbusiness.net
208.39.170.131	A+PTR	208-39-170-131.isp.comcastbusiness.net
208.39.170.137	A	208-39-170-137.isp.comcastbusiness.net
208.39.171.67	A	mail.wbtwp.net
208.39.171.67	A	*.wbtwp.net
208.39.171.71	A	208-39-171-71.detroit.biz.comcastbusiness.net
208.39.171.72	A	208-39-171-72.detroit.biz.comcastbusiness.net
208.39.171.142	PTR	ns2.soavenet.com
208.39.171.201	A	208-39-171-201.detroit.biz.comcastbusiness.net
208.39.171.208	A	mail1.norma-am.com
208.39.171.210	A	mail.hoseclamp.com
208.39.171.215	A	craigassembly.com
208.39.172.35	A	ns2-lp1.pwcgov.org
208.39.173.5	A+PTR	mail.s-e-s.com
208.39.173.11	A+PTR	ncinet.s-e-s.com
208.39.173.13	A	webs.s-e-s.com
208.39.173.176	A	208-39-173-176-static.hfc.comcastbusiness.net
208.39.175.1	A+PTR	rook.venterinstitute.org
208.39.175.3	A	vulpine.venterinstitute.org
208.39.175.4	A	buzzard.venterinstitute.org
208.39.175.9	A	whatsagenome.com
208.39.175.165	A+PTR	208-39-175-165-static.hfc.comcastbusiness.net
208.39.175.182	A+PTR	208-39-175-182-static.hfc.comcastbusiness.net
208.39.178.41	PTR	gretnamusic.org
208.39.178.41	PTR	www.gretnamusic.org
208.39.182.244	A+PTR	208-39-182-244.isp.comcastbusiness.net
208.39.184.18	A	mail.movado.com
208.39.184.18	A	mail.movadogroupinc.com
208.39.184.18	A	mail.esq-watch.com
208.39.189.2	A	mail.seniorappraiser.com
208.39.189.2	A	seniorappraiser.com
208.39.189.10	A	worldsingles-hh-1.worldsingles.com
208.39.189.22	A	newsletter.audiomidi.com
208.39.189.250	A	erproductions.com
208.39.190.3	A+PTR	208-39-190-3.isp.comcastbusiness.net
208.39.190.10	A	208-39-190-10.isp.comcastbusiness.net
208.39.190.18	A	208-39-190-18.isp.comcastbusiness.net
208.39.190.24	A	208-39-190-24.isp.comcastbusiness.net
208.39.190.132	A	208-39-190-132.isp.comcastbusiness.net
208.39.190.180	A	208-39-190-180.isp.comcastbusiness.net
208.39.190.198	A	208-39-190-198.isp.comcastbusiness.net
208.39.190.217	A	208-39-190-217.isp.comcastbusiness.net
208.39.197.4	PTR	afs-boise-208-39-197-4.afsnetworks.com
208.39.197.129	PTR	afs-boise-208-39-197-129.afsnetworks.com
208.39.208.83	A	emp-regtx.com
208.39.217.204	A	clearwateradvisors.net
208.39.218.98	A	smtp.reeltheatre.com
208.39.218.131	PTR	afs-boise-208-39-218-131.afsnetworks.com
208.39.233.12	A	aspectindex.com
208.39.233.151	A	www.paradigmhealth.com
208.39.233.151	A	qualityoncology.com
208.39.233.151	A	www.winninghabits.com
208.39.236.106	A	utahmartialarts.net
208.39.243.3	PTR	afs-boise-208-39-243-3.afsnetworks.com
208.39.245.18	A	mthebron86.com
208.39.251.15	PTR	static-customer-208-39-251.15.zayo.com
208.39.251.15	A	webmail.intralot.us
208.39.251.17	PTR	static-customer-208-39-251.17.zayo.com
208.39.251.17	A	www.montanamillionaire.com
208.39.251.17	A	montanasportsaction.com
208.39.251.26	PTR	static-customer-208-39-251.26.zayo.com
208.39.252.1	PTR	afs-boise-208-39-252-1.afsnetworks.com