Robtex

Up: 209.131.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 209.131.64.0/20
Down right: 209.131.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.131.66.36	A	pl1mail.amphenolantel.com
209.131.66.38	A	mail2.amphenolantel.com
209.131.66.66	PTR	host-209-131-66-66.choiceone.net
209.131.67.135	A	ispfilter.wnynet.net
209.131.67.136	A	freeside.mcpinc.com
209.131.68.16	A	mail.byronfpc.org
209.131.68.35	PTR	mail.visitniagarathisfall.com
209.131.68.35	A	mail.greaterniagarausa.net
209.131.68.64	PTR	mail.geneseewny.com
209.131.68.66	A	mail.affordablefc.com
209.131.68.82	A	mail.caoginc.org
209.131.68.99	PTR	mail.sure-cast.com
209.131.68.130	PTR	mail.dreamlakecampground.com
209.131.69.1	PTR	209-131-69-1.mcpinc.com
209.131.69.5	PTR	ftp.express56.com
209.131.69.5	A	www.express56.com
209.131.69.5	A	express56.com
209.131.69.15	A	mail.keelerconstruction.com
209.131.69.34	PTR	mail.cccfnf.org
209.131.69.35	PTR	mail.geneseecalendar.com
209.131.69.254	PTR	ns1.mcpinc.com
209.131.70.18	PTR	ip70-18-tcpbbs.net
209.131.70.106	A	mail.afurst.com
209.131.71.3	PTR	mail.munics.com
209.131.71.10	PTR	host-209-131-71-10.choiceone.net
209.131.71.50	PTR	www.fiberoptic.com
209.131.71.50	A	e-fiberoptic.com
209.131.71.50	A	e-fiberoptics.com
209.131.71.51	PTR	mail.fiberoptic.com
209.131.71.66	PTR	host-209-131-71-66.choiceone.net
209.131.71.178	A+PTR	mail1.tcomlp.com
209.131.71.179	PTR	host-209-131-71-179.choiceone.net
209.131.71.179	A	www.tcomlp.com
209.131.71.179	A	tcomlp.com
209.131.71.180	PTR	host-209-131-71-180.choiceone.net
209.131.71.180	A	ftp.tcomlp.com
209.131.71.181	PTR	host-209-131-71-181.choiceone.net
209.131.72.193	PTR	host-209-131-72-193.choiceone.net
209.131.75.14	A+PTR	smtp2.communityfirstcu.org
209.131.75.16	PTR	host-209-131-75-16.choiceone.net
209.131.75.16	A	stelizcu.org
209.131.76.3	A+PTR	static-209-131-76-3.mas.onecommunications.net
209.131.76.6	A	static-209-131-76-6.mas.onecommunications.net
209.131.76.7	A	static-209-131-76-7.mas.onecommunications.net
209.131.76.11	A	static-209-131-76-11.mas.onecommunications.net
209.131.76.37	A	static-209-131-76-37.mas.onecommunications.net
209.131.76.38	A	static-209-131-76-38.mas.onecommunications.net
209.131.76.39	A	static-209-131-76-39.mas.onecommunications.net
209.131.76.41	A	static-209-131-76-41.mas.onecommunications.net
209.131.76.64	A+PTR	static-209-131-76-64.mas.onecommunications.net
209.131.76.66	A+PTR	static-209-131-76-66.mas.onecommunications.net
209.131.76.68	A	static-209-131-76-68.mas.onecommunications.net
209.131.76.72	A	static-209-131-76-72.mas.onecommunications.net
209.131.76.97	A+PTR	static-209-131-76-97.mas.onecommunications.net
209.131.76.99	A+PTR	static-209-131-76-99.mas.onecommunications.net
209.131.76.101	A	static-209-131-76-101.mas.onecommunications.net
209.131.76.108	A	static-209-131-76-108.mas.onecommunications.net
209.131.76.130	PTR	s10a3cfd.olesens.com
209.131.76.132	A	mail.olesens.com
209.131.76.133	A	static-209-131-76-133.mas.onecommunications.net
209.131.76.135	A	static-209-131-76-135.mas.onecommunications.net
209.131.76.137	A	static-209-131-76-137.mas.onecommunications.net
209.131.76.160	A+PTR	static-209-131-76-160.mas.onecommunications.net
209.131.76.162	A+PTR	static-209-131-76-162.mas.onecommunications.net
209.131.76.165	A	static-209-131-76-165.mas.onecommunications.net
209.131.76.167	A	static-209-131-76-167.mas.onecommunications.net
209.131.76.192	A+PTR	static-209-131-76-192.mas.onecommunications.net
209.131.76.195	A+PTR	static-209-131-76-195.mas.onecommunications.net
209.131.76.201	A	static-209-131-76-201.mas.onecommunications.net
209.131.76.203	A	static-209-131-76-203.mas.onecommunications.net
209.131.76.225	A+PTR	static-209-131-76-225.mas.onecommunications.net
209.131.76.228	A	static-209-131-76-228.mas.onecommunications.net
209.131.76.230	A	static-209-131-76-230.mas.onecommunications.net
209.131.76.235	A	static-209-131-76-235.mas.onecommunications.net
209.131.77.159	A	jameschurchill.com
209.131.78.1	PTR	host-209-131-78-1.choiceone.net
209.131.78.4	PTR	host-209-131-78-4.choiceone.net
209.131.78.66	A	quick-hitch.com
209.131.78.96	PTR	host-209-131-78-96.choiceone.net
209.131.78.130	PTR	host-209-131-78-130.choiceone.net
209.131.78.209	A	mail.gibsontube.com
209.131.79.26	A	mail.novaindustries.net
209.131.79.42	A	remote.rsvpveneer.com
209.131.79.42	A	mail.rsvpveneer.com
209.131.83.8	A	qtss.washjeff.edu
209.131.83.17	A	ns1.washjeff.edu
209.131.83.29	A	araisis-7338.washjeff.edu
209.131.83.30	A	asmisis-7338.washjeff.edu
209.131.91.30	A+PTR	blogs.washjeff.edu
209.131.91.39	PTR	langprofile.washjeff.edu
209.131.91.39	A+PTR	refworks.washjeff.edu
209.131.91.39	PTR	wjsurvey.washjeff.edu
209.131.91.64	A	capl.washjeff.edu
209.131.91.68	A	libproxy.washjeff.edu
209.131.91.75	PTR	autodiscover.washjeff.edu
209.131.91.75	A+PTR	mail.washjeff.edu
209.131.91.75	A+PTR	wjecas.washjeff.edu
209.131.91.158	A	qualtrics.washjeff.edu
209.131.93.17	A+PTR	ns2.washjeff.edu