Robtex

Up: 2a00:1450:4010::/46
Can't show all results, try to descend to a more specific CIDR
Down left: 2a00:1450:4012::/48
Down right: 2a00:1450:4013::/48
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2a00:1450:4012::13	A	r1.sn-axq7sn7e.c.2mdn.net
2a00:1450:4012::13	A	r1.sn-axq7sn7e.gvt1.com
2a00:1450:4012::13	A	r1---sn-axq7sn7e.c.2mdn.net
2a00:1450:4012::15	PTR	led03s01-in-f21.1e100.net
2a00:1450:4012::15	A	r3.sn-axq7sn7e.googlevideo.com
2a00:1450:4013:c00::1a	A	*.arezzo.it.s201a2.psmtp.com
2a00:1450:4013:c00::1a	A	turnstonefurniture.com.mail6.psmtp.com
2a00:1450:4013:c00::1a	A	grodno.biz.s7a2.psmtp.com