Robtex

Up: 217.63.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 217.63.224.0/20
Down right: 217.63.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.63.227.224	A	dewekker.net
217.63.228.0	A+PTR	d93fe400.cm-21.dynamic.ziggo.nl
217.63.228.10	A+PTR	d93fe40a.cm-21.dynamic.ziggo.nl
217.63.228.10	A	mail.darkwing.nl
217.63.228.196	A+PTR	d93fe4c4.cm-21.dynamic.ziggo.nl
217.63.229.83	A+PTR	d93fe553.cm-21.dynamic.ziggo.nl
217.63.229.83	A	dysan.nl
217.63.229.144	A+PTR	d93fe590.cm-21.dynamic.ziggo.nl
217.63.229.144	A	knowledge-vortex.com
217.63.230.126	A+PTR	217-63-230-126.cable.dynamic.v4.ziggo.nl
217.63.230.126	A	tiera.nl
217.63.231.173	A+PTR	d93fe7ad.cm-21.dynamic.ziggo.nl
217.63.231.255	A	217-63-231-255.edu.multikabel.nl
217.63.232.0	PTR	217-63-232-0.edu.multikabel.nl
217.63.232.199	A	atrox.nl
217.63.233.9	A	akweb.nl
217.63.234.85	A+PTR	d93fea55.cm-21.dynamic.ziggo.nl
217.63.235.172	A+PTR	d93febac.cm-21.dynamic.ziggo.nl
217.63.235.172	A	familyboon.com
217.63.236.130	A+PTR	d93fec82.cm-21.dynamic.ziggo.nl
217.63.236.208	A+PTR	d93fecd0.cm-21.dynamic.ziggo.nl
217.63.236.208	A	brozius.com
217.63.238.109	A+PTR	d93fee6d.cm-21.dynamic.ziggo.nl
217.63.238.109	A	dexxion.nl
217.63.238.220	A+PTR	d93feedc.cm-21.dynamic.ziggo.nl
217.63.239.44	A+PTR	d93fef2c.cm-21.dynamic.ziggo.nl
217.63.239.255	PTR	217-63-239-255.edu.multikabel.nl
217.63.240.6	PTR	217-63-240-6.cable.dynamic.v4.ziggo.nl
217.63.240.6	A	d93ff006.cm-21.dynamic.ziggo.nl
217.63.240.6	A	dichtewolk.nl
217.63.240.125	A+PTR	d93ff07d.cm-21.dynamic.ziggo.nl
217.63.240.125	A	telderskade.synology.me
217.63.240.125	A	www.telderskade.synology.me
217.63.243.62	PTR	217-63-243-62.cable.dynamic.v4.ziggo.nl
217.63.243.62	A	d93ff33e.cm-21.dynamic.ziggo.nl
217.63.243.62	A	beemerboy.nl
217.63.243.102	A+PTR	217-63-243-102.cable.dynamic.v4.ziggo.nl
217.63.243.102	A	xn--sft219bi3tzwd.com
217.63.243.140	A+PTR	d93ff38c.cm-21.dynamic.ziggo.nl
217.63.243.140	A	semilut.com
217.63.243.255	PTR	217-63-243-255.cable.dynamic.v4.ziggo.nl
217.63.243.255	A	d93ff3ff.cm-21.dynamic.ziggo.nl
217.63.246.144	A	vtxt.nl
217.63.247.56	A+PTR	d93ff738.cm-21.dynamic.ziggo.nl
217.63.247.144	A	vorm.net
217.63.248.0	PTR	217-63-248-0.edu.multikabel.nl
217.63.251.128	PTR	217-63-251-128.cable.dynamic.v4.ziggo.nl
217.63.251.128	A	d93ffb80.cm-21.dynamic.ziggo.nl
217.63.251.128	A	my-ds1.com
217.63.251.210	PTR	217-63-251-210.cable.dynamic.v4.ziggo.nl
217.63.251.210	A	d93ffbd2.cm-21.dynamic.ziggo.nl
217.63.252.0	PTR	217-63-252-0.cable.dynamic.v4.ziggo.nl
217.63.252.0	A	217-63-252-0.edu.multikabel.nl
217.63.252.21	A+PTR	d93ffc15.cm-21.dynamic.ziggo.nl
217.63.252.21	A	webmarvel.nl
217.63.252.30	A+PTR	d93ffc1e.cm-21.dynamic.ziggo.nl
217.63.253.196	PTR	d93ffdc4.cm-21.dynamic.ziggo.nl
217.63.253.196	A	hooxr.com
217.63.253.196	A	oxyfx.com