Robtex

Up: 149.20.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 149.20.64.0/25
Down right: 149.20.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
149.20.64.3	A	sfba.sns-pb.isc.org
149.20.64.4	A+PTR	dlv.sfba.sns-pb.isc.org
149.20.64.11	PTR	www.benedelman.org
149.20.64.20	PTR	bind.odvr.dns-oarc.net
149.20.64.21	PTR	unbound.odvr.dns-oarc.net
149.20.64.22	PTR	iana-testbed.odvr.dns-oarc.net
149.20.64.26	PTR	testsink.sie.isc.org
149.20.64.27	PTR	zfa.sie.isc.org
149.20.64.28	A	clock.isc.org
149.20.64.28	A	time-2.isc.org
149.20.64.29	PTR	srf.isc.org
149.20.64.30	PTR	secrt.isc.org
149.20.64.34	PTR	newbf.isc.org
149.20.64.34	A	sources.isc.org
149.20.64.41	PTR	update2.freebsd.org
149.20.64.42	PTR	www.isc.org
149.20.64.42	A	blog.isc.org
149.20.64.43	PTR	blog.isc.org
149.20.64.46	A+PTR	aftr.isc.org
149.20.64.47	A	d6.isc.org
149.20.64.49	PTR	ops.isc.org
149.20.64.50	PTR	bugs.isc.org
149.20.64.51	PTR	support.isc.org
149.20.64.51	A	support-down.isc.org
149.20.64.53	A+PTR	mx.pao1.isc.org
149.20.64.53	A	mx-out.isc.org
149.20.64.55	PTR	repo.isc.org
149.20.64.55	A	cvs.isc.org
149.20.64.56	A+PTR	ns-int2.isc.org
149.20.64.57	PTR	sns-com.ns-int.isc.org
149.20.64.59	A+PTR	rad1.isc.org
149.20.64.61	A+PTR	l1.isc.org
149.20.64.62	A+PTR	noc1.isc.org
149.20.64.63	PTR	res1.sql1.isc.org
149.20.64.65	PTR	db.domainsurvey.isc.org
149.20.64.66	A+PTR	bindforum.isc.org
149.20.64.67	A+PTR	dhcpforum.isc.org
149.20.64.69	A	dns-co.com
149.20.64.69	A	banana.isc.org
149.20.64.69	A	secure.isc.org
149.20.64.73	PTR	freebsd.isc.org
149.20.64.74	A+PTR	pad.isc.org
149.20.64.75	A+PTR	lists.isc.org
149.20.64.78	A+PTR	deepthought.isc.org
149.20.64.81	A	dlvxfr.isc.org
149.20.64.82	PTR	sns-web.isc.org
149.20.64.101	A+PTR	mail.isc.org
149.20.64.109	A	res1.sfo2.isc.org
149.20.64.111	A	ns.guest.isc.org
149.20.64.112	A	castlecops.com
149.20.64.112	A	www.castlecops.com
149.20.64.127	PTR	res2.sql1.isc.org