Robtex

Up: 2a01:3f1:800::/37
Can't show all results, try to descend to a more specific CIDR
Down left: 2a01:3f1:800::/39
Down right: 2a01:3f1:a00::/39
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2a01:3f1:832::53	A	nse.restena.lu
2a01:3f1:832::53	A	europe1.dnsnode.net
2a01:3f1:854::53	PTR	ns4.ac1.lexsynergy.com
2a01:3f1:854::53	A	ns4.midland.bank
2a01:3f1:854::53	A	ns03.lexsynergy.us
2a01:3f1:857::53	PTR	anycast-eu.dns.cyso.eu
2a01:3f1:862::53	A+PTR	ns8-cloud.nic.ru
2a01:3f1:862::53	A	ns2-cloud.nic.ru