Robtex

Up: 2001:500:8c::/46
Can't show all results, try to descend to a more specific CIDR
Down left: 2001:500:8e::/48
Down right: 2001:500:8f::/48
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2001:500:8e::53	A+PTR	c.iana-servers.net
2001:500:8e::53	A	c.iana-servers.org
2001:500:8e::53	A	z.iana-servers.net
2001:500:8f::53	A+PTR	a.icann-servers.net
2001:500:8f::53	A	a.iana-servers.org
2001:500:8f::53	A	x.iana-servers.net