Robtex

Up: 2600:4400::/28
Can't show all results, try to descend to a more specific CIDR
Down left: 2600:4400::/30
Down right: 2600:4404::/30

IP	Type	Hostname
2600:4401:53::100	A+PTR	dns1.americanis.net
2600:4401:53:a::100	A+PTR	ns1.americanis.net
2600:4402:53::100	A+PTR	dns2.americanis.net
2600:4402:53:a::100	A+PTR	ns2.americanis.net
2600:4402:c002:3::2f1d:50be	A	ewerton.com.br
2600:4402:c002:3::69d9:ca2f	PTR	ns1.lopdns.se
2600:4402:c002:6::6ace:3c0c	A	ns2.themonsta.id.au
2600:4402:c004::3	A	dns-2.datamerica.com