Robtex

Up: 195.64.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 195.64.48.0/21
Down right: 195.64.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
195.64.48.1	PTR	195-64-48-1.knoware.nl
195.64.48.1	A	speedy.knoware.nl
195.64.48.2	A	switch6.knoware.nl
195.64.48.4	A	console.knoware.nl
195.64.48.5	A	access5.knoware.nl
195.64.48.16	A	switch7.knoware.nl
195.64.48.18	PTR	195-64-48-18.knoware.nl
195.64.48.18	A	imail.ision.nl
195.64.48.18	A	imail.knoware.nl
195.64.48.19	A	proxy.knoware.nl
195.64.48.32	PTR	195-64-48-32.knoware.nl
195.64.48.32	A	domino1.knoware.nl
195.64.48.33	PTR	195-64-48-33.knoware.nl
195.64.48.33	A	domino2.knoware.nl
195.64.48.37	A	dsb.knoware.nl
195.64.48.42	A	newmail.knoware.nl
195.64.48.227	A	pibox-sat.knoware.nl
195.64.48.228	A	igw.knoware.nl
195.64.48.229	A	igw2.knoware.nl
195.64.48.230	A	kpntest.knoware.nl
195.64.48.243	A	igwp.knoware.nl
195.64.48.244	A	igwp2.knoware.nl
195.64.48.245	A	sat-radius.knoware.nl
195.64.50.33	PTR	195-64-50-33.knoware.nl
195.64.50.33	A	emanege.nl
195.64.50.33	A	mail.genea.nl
195.64.50.34	PTR	195-64-50-34.knoware.nl
195.64.50.53	PTR	195-64-50-53.knoware.nl
195.64.50.61	A	rsdiensten.com
195.64.52.8	PTR	195-64-52-8.knoware.nl
195.64.60.136	A	mail.gooizorg.nl
195.64.61.3	PTR	195-64-61-3.knoware.nl
195.64.61.4	PTR	195-64-61-4.knoware.nl
195.64.61.32	PTR	195-64-61-32.knoware.nl
195.64.61.48	PTR	195-64-61-48.knoware.nl
195.64.61.49	PTR	195-64-61-49.knoware.nl
195.64.61.80	PTR	195-64-61-80.knoware.nl
195.64.61.82	PTR	195-64-61-82.knoware.nl
195.64.61.96	PTR	195-64-61-96.knoware.nl
195.64.61.114	PTR	195-64-61-114.knoware.nl
195.64.61.115	PTR	195-64-61-115.knoware.nl
195.64.61.130	PTR	195-64-61-130.knoware.nl
195.64.61.144	PTR	195-64-61-144.knoware.nl
195.64.61.145	PTR	195-64-61-145.knoware.nl
195.64.61.161	PTR	195-64-61-161.knoware.nl
195.64.61.178	PTR	195-64-61-178.knoware.nl
195.64.61.192	PTR	195-64-61-192.knoware.nl
195.64.61.194	PTR	195-64-61-194.knoware.nl
195.64.61.209	PTR	195-64-61-209.knoware.nl
195.64.61.210	PTR	195-64-61-210.knoware.nl
195.64.61.211	PTR	195-64-61-211.knoware.nl
195.64.61.226	PTR	195-64-61-226.knoware.nl
195.64.61.241	PTR	195-64-61-241.knoware.nl
195.64.62.99	PTR	195-64-62-99.knoware.nl
195.64.62.161	PTR	195-64-62-161.knoware.nl
195.64.62.193	PTR	195-64-62-193.knoware.nl
195.64.63.50	PTR	195-64-63-50.knoware.nl
195.64.63.80	PTR	195-64-63-80.knoware.nl
195.64.63.96	PTR	195-64-63-96.knoware.nl
195.64.63.97	PTR	195-64-63-97.knoware.nl
195.64.63.98	PTR	195-64-63-98.knoware.nl
195.64.63.99	PTR	195-64-63-99.knoware.nl
195.64.63.129	PTR	195-64-63-129.knoware.nl
195.64.63.130	PTR	195-64-63-130.knoware.nl
195.64.63.145	PTR	195-64-63-145.knoware.nl
195.64.63.146	PTR	195-64-63-146.knoware.nl
195.64.63.160	PTR	195-64-63-160.knoware.nl
195.64.63.178	PTR	195-64-63-178.knoware.nl
195.64.63.193	PTR	195-64-63-193.knoware.nl
195.64.63.194	PTR	195-64-63-194.knoware.nl
195.64.63.195	PTR	195-64-63-195.knoware.nl
195.64.63.208	PTR	195-64-63-208.knoware.nl
195.64.63.209	PTR	195-64-63-209.knoware.nl
195.64.63.211	PTR	195-64-63-211.knoware.nl
195.64.63.226	PTR	195-64-63-226.knoware.nl