Robtex

Up: 2600:3c02::/31
Can't show all results, try to descend to a more specific CIDR
Down left: 2600:3c02::/33
Down right: 2600:3c02:8000::/33

IP	Type	Hostname
2600:3c02::2	A+PTR	resolver01.atlanta.linode.com
2600:3c02::3	PTR	resolver02.atlanta.linode.com
2600:3c02::5	A+PTR	resolver04.atlanta.linode.com
2600:3c02::7	A	resolver06.atlanta.linode.com
2600:3c02::8	A	resolver07.atlanta.linode.com
2600:3c02:e000:3::8	A+PTR	3e8.org
2600:3c02:e000:3::8	A	www.3e8.org
2600:3c02:e000:3::8	A	mail.3e8.org
2600:3c02:e000:4::f03c:91ff	A	oktibbehacountydemocrats.com
2600:3c02:e000:5::2	PTR	ns1.qqx.org
2600:3c02:e000:5::3	PTR	pug.qqx.org