Robtex

Up: 128.0.34.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 128.0.35.0/25
Down right: 128.0.35.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
128.0.35.0	PTR	host-128-0-35-0.zadata.de
128.0.35.6	A+PTR	cacti.navtelecom.ro
128.0.35.10	PTR	mail.navtelecom.ro
128.0.35.10	A	ns1.nav.ro
128.0.35.10	A	ns1.nav.biz
128.0.35.14	A	ns1.anume.ro
128.0.35.14	A	mail.secretsofsibiu.ro
128.0.35.67	PTR	mirrors.nav.ro
128.0.35.195	PTR	ar01-ar02.as6718.net
128.0.35.199	A	ns1.xxx5.net
128.0.35.200	PTR	ar01-ar02.as6718.net
128.0.35.200	A	ns2.nghost.ro
128.0.35.255	PTR	host-128-0-35-255.zadata.de