Robtex

Up: 2a01:5b0:8::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2a01:5b0:9::/49
Down right: 2a01:5b0:9:8000::/49

IP	Type	Hostname
2a01:5b0:9::	A+PTR	ip0.138.119.185.cloud.knipp.de
2a01:5b0:9::1	A+PTR	ip1.138.119.185.cloud.knipp.de
2a01:5b0:9::2	A+PTR	ip2.138.119.185.cloud.knipp.de
2a01:5b0:9::3	A+PTR	ip3.138.119.185.cloud.knipp.de