Robtex

Up: 2600:1408:1c::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2600:1408:1c::/49
Down right: 2600:1408:1c:8000::/49

IP	Type	Hostname
2600:1408:1c::40	A+PTR	a3-64.akam.net
2600:1408:1c::40	PTR	ns7-64.akam.net
2600:1408:1c::41	PTR	ns7-65.akam.net
2600:1408:1c::41	A+PTR	a3-65.akam.net
2600:1408:1c::42	PTR	ns7-66.akam.net
2600:1408:1c::42	A+PTR	a3-66.akam.net
2600:1408:1c::43	PTR	ns7-67.akam.net
2600:1408:1c::43	A+PTR	a3-67.akam.net