These entries are queried from radb.net using whois, you can try my project getting these.
:AS15082 route: 8.7.144.0/20 descr: BBBG51800::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041208 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.42.128.0/19 descr: BBBG51800::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041208 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.42.158.0/24 descr: /24 for IsPrime origin: AS15082 mnt-by: PRIMEINTER-MNT changed: Todd.Hawkins [at] Level3.com 20040712 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.7.80.0/20 descr: BBBG51800::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041208 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.7.88.0/24 descr: BBBG52051::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041102 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.7.89.0/24 descr: BBBG52051::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041102 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.158.128.0/19 descr: BBBG51800::PRIME INTERNET, LLC origin: AS15082 mnt-by: PRIMEINTER-MNT changed: ray [at] primenetwork.net 20041208 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source