Robtex

Up: 2a00:ab00:800::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2a00:ab00:800::/49
Down right: 2a00:ab00:800:8000::/49
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2a00:ab00:800::53	PTR	ns1.selectel.org
2a00:ab00:800::53	A	ns1.academcloud.ru
2a00:ab00:800::53	A	ns1.nim.space
2a00:ab00:800::1:53	PTR	rs1.selectel.org
2a00:ab00:800:1::53	PTR	ns1.vscale.io
2a00:ab00:800:1::1:53	PTR	rs1.vscale.io