Robtex

Up: 185.63.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.63.64.0/23
Down right: 185.63.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.63.64.7	PTR	mail.box4post.com
185.63.64.7	A	mail.prll.ru
185.63.64.15	PTR	15.64.63.185.rev.ftth.sak.ch
185.63.64.15	A	bugajew.de
185.63.64.15	A	cbt-ag.com
185.63.64.20	A	mail.trunz.ch
185.63.64.45	PTR	45.64.63.185.rev.ftth.sak.ch
185.63.64.45	A	mail.wittenbach.org
185.63.64.45	A	silent-effect.com
185.63.64.56	PTR	56.64.63.185.rev.ftth.sak.ch
185.63.64.59	PTR	59.64.63.185.rev.ftth.sak.ch
185.63.64.68	A	remote.schreinereiwidmer.ch
185.63.64.70	A+PTR	mail.klinik-gais.ch
185.63.64.73	PTR	73.64.63.185.rev.ftth.sak.ch
185.63.64.73	A	www.koller.ch
185.63.64.74	PTR	74.64.63.185.rev.ftth.sak.ch
185.63.64.74	A	thechisler.net
185.63.64.80	A+PTR	mail.historika.ch
185.63.64.80	A	kerio.triangular.ch
185.63.64.84	A+PTR	mx.bloechligair.ch
185.63.64.84	A	xn--blchliger-17a.com
185.63.64.84	A	bloechligair.ch
185.63.64.85	PTR	85.64.63.185.rev.ftth.sak.ch
185.63.64.85	A	appenzeller-kontaktlinsen.ch
185.63.64.139	PTR	139.64.63.185.rev.ftth.sak.ch
185.63.64.162	A+PTR	ssl.welltabac.ch
185.63.64.162	A	gate.welltabac.ch
185.63.65.79	PTR	79.65.63.185.rev.ftth.sak.ch
185.63.65.103	PTR	103.65.63.185.rev.ftth.sak.ch
185.63.65.159	PTR	159.65.63.185.rev.ftth.sak.ch
185.63.65.217	PTR	217.65.63.185.rev.ftth.sak.ch
185.63.65.217	A	cucina.lagat.org
185.63.67.2	PTR	2.67.63.185.rev.ftth.sak.ch
185.63.67.2	A	ns1.buesser.li
185.63.67.3	PTR	3.67.63.185.rev.ftth.sak.ch
185.63.67.3	A	ns2.buesser.li
185.63.67.17	A+PTR	mail.oberuzwil.ch
185.63.67.17	A	mail.schulen-oberuzwil.ch
185.63.67.26	PTR	26.67.63.185.rev.ftth.sak.ch
185.63.67.26	A	www.gastroimmo.ch
185.63.67.26	A	sunhand.ch
185.63.67.106	PTR	106.67.63.185.rev.ftth.sak.ch
185.63.67.106	A	mail2.appenzellerbahnen.ch
185.63.67.108	PTR	108.67.63.185.rev.ftth.sak.ch
185.63.67.109	PTR	109.67.63.185.rev.ftth.sak.ch
185.63.67.110	PTR	110.67.63.185.rev.ftth.sak.ch