Robtex

Up: 2800:3f0:4003::/51
Can't show all results, try to descend to a more specific CIDR
Down left: 2800:3f0:4003::/53
Down right: 2800:3f0:4003:800::/53

IP	Type	Hostname
2800:3f0:4003::6	A	r1.sn-nja7sne6.googlevideo.com
2800:3f0:4003::7	A	v6.nonxt3.c.youtube.com
2800:3f0:4003::7	A	r2.sn-nja7sne6.googlevideo.com
2800:3f0:4003::8	A	r3---sn-nja7sn7e.googlevideo.com
2800:3f0:4003:800::1001	A	api.feedburner.com
2800:3f0:4003:800::1003	A	video.google.co.nz
2800:3f0:4003:800::100a	A	cache0.film-hdizle.blogspot.com
2800:3f0:4003:800::100a	A	*.91.30-static.reverse.fullysolutions.blogspot.com
2800:3f0:4003:c00::4	A	cb-in-f4.1e100.net
2800:3f0:4003:c00::9	A	cb-in-f9.1e100.net
2800:3f0:4003:c00::e	A	alt1.gmr-smtp-in.l.google.com
2800:3f0:4003:c00::10	A	pop3.workout.com.ar
2800:3f0:4003:c02::e	A	alt1.gmr-smtp-in.l.google.com