Robtex

Up: 217.22.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.22.48.0/25
Down right: 217.22.48.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.22.48.0	A+PTR	217.22.48.0.static.hosted.by.easyhost.be
217.22.48.129	PTR	licks.axs-datacenters.be
217.22.48.131	PTR	ge6-0-0-0.ar0-old.bebru1.realroute.net
217.22.48.211	PTR	ns1.vasco.com
217.22.48.218	PTR	vasco-ip.vasco.com
217.22.48.218	A	ns2.wizbit.be
217.22.48.218	A	ns1.wizbit.be
217.22.48.255	PTR	217.22.48.255.static.hosted.by.easyhost.be