Robtex

Up: 89.47.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.47.1.0/25
Down right: 89.47.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.47.1.10	PTR	i.89.47.1.10.use.teentelecom.net
89.47.1.10	A	mail3.serverius.nl
89.47.1.10	A	www.sercurius.net
89.47.1.11	PTR	i.89.47.1.11.use.teentelecom.net
89.47.1.15	PTR	i.89.47.1.15.use.teentelecom.net
89.47.1.15	A	mgt.serverius.net
89.47.1.15	A	www.serverius.net
89.47.1.38	A	wwwdirecttraffic.com
89.47.1.39	PTR	i.89.47.1.39.use.teentelecom.net
89.47.1.96	PTR	i.89.47.1.96.use.teentelecom.net
89.47.1.96	A	ns2.cerculpoetilor.net
89.47.1.96	A	cerculpoetilor.net
89.47.1.97	PTR	i.89.47.1.97.use.teentelecom.net
89.47.1.98	PTR	i.89.47.1.98.use.teentelecom.net
89.47.1.99	PTR	i.89.47.1.99.use.teentelecom.net
89.47.1.100	A	as50673.com
89.47.1.100	A	grnst.com