Robtex

Up: 2600:1480::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2600:1480:1::/49
Down right: 2600:1480:1:8000::/49

IP	Type	Hostname
2600:1480:1::40	A+PTR	a11-64.akam.net
2600:1480:1::40	PTR	ns4-64.akam.net
2600:1480:1::41	PTR	ns4-65.akam.net
2600:1480:1::41	A+PTR	a11-65.akam.net
2600:1480:1::42	PTR	ns4-66.akam.net
2600:1480:1::42	A+PTR	a11-66.akam.net
2600:1480:1::43	PTR	ns4-67.akam.net
2600:1480:1::43	A+PTR	a11-67.akam.net