Robtex

Up: 2a03:2880:f1fc::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2a03:2880:f1fc::/49
Down right: 2a03:2880:f1fc:8000::/49
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2a03:2880:f1fc:b:face:b00c::99	A	c.ns.c10r.facebook.com
2a03:2880:f1fc:b:face:b00c::99	A	c.ns.vvv.facebook.com
2a03:2880:f1fc:b:face:b00c::99	A	c.ns.cdn.whatsapp.net
2a03:2880:f1fc:c:face:b00c::35	PTR	c.ns.facebook.com