Robtex

Up: 153.96.140.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 153.96.140.0/24
Down right: 153.96.141.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
153.96.140.2	A+PTR	mail-gw.iuk.fraunhofer.de
153.96.140.3	PTR	www.cebit.fraunhofer.de
153.96.140.3	PTR	www.cebit2003.fraunhofer.de
153.96.140.3	PTR	www.digital-entertainment.fraunhofer.de
153.96.140.4	A+PTR	cnso.iuk.fraunhofer.de
153.96.140.30	PTR	dhcp10.iuk.fraunhofer.de
153.96.140.32	PTR	dhcp12.iuk.fraunhofer.de
153.96.140.33	PTR	dhcp13.iuk.fraunhofer.de
153.96.140.34	PTR	dhcp14.iuk.fraunhofer.de
153.96.140.35	PTR	dhcp15.iuk.fraunhofer.de
153.96.140.36	PTR	dhcp16.iuk.fraunhofer.de
153.96.140.37	PTR	dhcp17.iuk.fraunhofer.de
153.96.140.38	PTR	dhcp18.iuk.fraunhofer.de