Robtex

Up: 2400:8902::/31
Can't show all results, try to descend to a more specific CIDR
Down left: 2400:8902::/33
Down right: 2400:8902:8000::/33
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2400:8902::3	A+PTR	resolver02.shg1.linode.com
2400:8902::f03c:91ff:fe00:8b2	A	li1544-123.members.linode.com
2400:8902::f03c:91ff:fe00:36c9	A	li1706-129.members.linode.com
2400:8902::f03c:91ff:fe00:51eb	A	mail.aviva1028.com
2400:8902:e000::4ddf	A+PTR	nimbus.for-no-reason.net
2400:8902:e000::4ddf	A	obviouslynotarealdomain.com
2400:8902:e000::4ddf	A	realhost.name