Robtex

Up: 213.153.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 213.153.92.0/23
Down right: 213.153.94.0/23

IP	Type	Hostname
213.153.92.142	A	jakobvogt.com
213.153.93.6	PTR	host213.153.93.6.circular.de
213.153.93.141	PTR	host213.153.93.141.circular.de
213.153.95.158	PTR	host213.153.95.158.circular.de
213.153.95.158	A	tahnet.de
213.153.95.255	PTR	host213.153.95.255.circular.de