Robtex

Up: 194.53.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 194.53.72.0/23
Down right: 194.53.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.53.72.47	A	rhenen.info
194.53.72.91	PTR	static.kpn.net
194.53.72.91	A	mail.centrictraining.nl
194.53.72.101	A	werk.optimisd.nl
194.53.72.107	A	smc.centric.nl
194.53.72.107	A	smcx.centric.nl
194.53.72.113	PTR	static.kpn.net
194.53.72.160	PTR	static.kpn.net
194.53.72.160	A	ns01.centric.eu
194.53.72.160	A	ns01.centric.nl
194.53.72.161	PTR	static.kpn.net
194.53.72.161	A	ns02.optimisd.nl
194.53.72.254	PTR	254.72.centric.eu
194.53.73.126	PTR	static.centric.eu
194.53.73.172	PTR	static.kpn.net
194.53.73.172	A	smc.centric.eu
194.53.73.214	A	mail.oudewater.nl
194.53.73.217	A	mailrout1.optimisd.nl
194.53.73.250	PTR	mailrout1.centric.nl
194.53.73.251	PTR	mailrout.centric.nl
194.53.73.251	A	mail.centric.lu
194.53.75.125	A	belastingen.lelystad.nl
194.53.75.145	A	youpp.vrbzo.nl
194.53.75.175	A	preprod-epark.centric.eu