Robtex

Up: 193.33.60.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.33.60.0/25
Down right: 193.33.60.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.33.60.4	PTR	hosted-by.snel.com
193.33.60.4	A	web1.snelis.com
193.33.60.4	A	web1.snel.com
193.33.60.5	PTR	web1.snel.com
193.33.60.5	A	snelserver.com
193.33.60.5	A	snelservers.com
193.33.60.6	PTR	ns3.icondea.nl
193.33.60.6	A	0000.0026-static.snelis.com
193.33.60.8	PTR	hosted-by.snel.com
193.33.60.8	A	snelpanel.com
193.33.60.8	A	www.snelpanel.com
193.33.60.10	PTR	hosted-by.snel.com
193.33.60.11	PTR	web1.snelis.com
193.33.60.12	PTR	web1.snelis.com
193.33.60.13	PTR	web1.snel.com
193.33.60.16	A	pop.orac.nl
193.33.60.16	A	cellar.orac.nl
193.33.60.16	A	pop.fluxstat.com
193.33.60.17	PTR	hosted-by.snel.com
193.33.60.17	A	hosted-by-snel.com
193.33.60.18	PTR	web1.snel.com
193.33.60.19	PTR	web1.snel.com
193.33.60.20	PTR	web1.snel.com
193.33.60.21	PTR	web1.snel.com
193.33.60.22	PTR	web1.snel.com
193.33.60.23	PTR	hosted-by.snel.com
193.33.60.23	A	snelservers.nl
193.33.60.23	A	snelserver.nl
193.33.60.24	PTR	hosted-by.snel.com
193.33.60.24	A	0000.0026-static.snelis.com
193.33.60.24	A	ip24.madshark.ufo-net.nl
193.33.60.25	A	ip25.madshark.ufo-net.nl
193.33.60.26	A	smtprelay.snel.com
193.33.60.27	PTR	hosted-by.snel.com
193.33.60.27	A	ip27.madshark.ufo-net.nl
193.33.60.27	A	old.snel.com
193.33.60.29	PTR	hosted-by.snel.com
193.33.60.29	A	ip29.madshark.ufo-net.nl
193.33.60.33	A+PTR	ipmanager.snel.com
193.33.60.34	PTR	ws1.snel.com
193.33.60.34	A	server331.snel.com
193.33.60.34	A	140303.snel.com
193.33.60.40	PTR	ns1.holidayinn-amsterdamschiphol.com
193.33.60.40	A	abuse.bz
193.33.60.40	A	www.abuse.bz
193.33.60.42	PTR	reserved.selamas.nl
193.33.60.49	PTR	hosted-by.snel.com
193.33.60.50	PTR	development.snelis.com
193.33.60.51	PTR	hosted-by.snel.com
193.33.60.52	PTR	hosted-by.snel.com
193.33.60.53	PTR	hosted-by.snel.com
193.33.60.55	PTR	hosted-by.snelis.com
193.33.60.71	A	*.qmtrade.com
193.33.60.71	A	trendy-meubels.nl
193.33.60.71	A	trendymeubelen.nl
193.33.60.74	A	trendy-meubelen.com
193.33.60.74	A	trendy-leven.com
193.33.60.74	A	qmtrade.nl
193.33.60.80	PTR	mx03.qfilter.nl
193.33.60.80	A	mail.bymysite.nl
193.33.60.80	A	mail.hofstaete.nl
193.33.60.81	PTR	hosted-by.snel.com
193.33.60.111	PTR	profhost.colocated.redunix.net
193.33.60.121	PTR	hosted-by.snel.com
193.33.60.136	PTR	hosted-by.snel.com
193.33.60.136	A	ws1.webspacegames.com
193.33.60.137	PTR	hosted-by.snel.com
193.33.60.137	A	ns1.webspacegames.com
193.33.60.138	A	ns2.webspacegames.com
193.33.60.139	A+PTR	www.webspacegames.com
193.33.60.139	A	webspacegames.com
193.33.60.139	A	smtp.webspacegames.com
193.33.60.154	PTR	hosted-by.snel.com
193.33.60.154	A	ip154.madshark.ufo-net.nl
193.33.60.192	PTR	hosted-by.snel.com
193.33.60.193	PTR	hosted-by.snel.com
193.33.60.194	PTR	hosted-by.snel.com
193.33.60.195	PTR	hosted-by.snel.com
193.33.60.196	PTR	hosted-by.snel.com
193.33.60.197	PTR	hosted-by.snel.com
193.33.60.198	PTR	hosted-by.snel.com
193.33.60.199	PTR	hosted-by.snel.com
193.33.60.216	PTR	hosted-by.snel.com
193.33.60.219	PTR	hosted-by.snel.com
193.33.60.229	PTR	reserved.fabtec.colocated.redunix.net
193.33.60.243	PTR	hosted-by.snel.com