Robtex

Up: 2604:4000:4000::/47
Can't show all results, try to descend to a more specific CIDR
Down left: 2604:4000:4000::/49
Down right: 2604:4000:4000:8000::/49

IP	Type	Hostname
2604:4000:4000::64:98:151:1	A	dns2.name-services.com
2604:4000:4000::64:98:151:2	A	dns4.name-services.com
2604:4000:4000::64:98:151:11	A	dns02.gpn.register.com
2604:4000:4000::64:98:151:12	A	dns04.gpn.register.com