Robtex

Up: 2620:0:2d0::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2620:0:2d0::/49
Down right: 2620:0:2d0:8000::/49
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2620:0:2d0:200::7	PTR	www.icann.org
2620:0:2d0:200::7	A	www.vip.icann.org
2620:0:2d0:200::7	A	www.icannalac.org
2620:0:2d0:200::8	PTR	www.iana.org
2620:0:2d0:200::9	PTR	www.internic.net