These entries are queried from radb.net using whois, you can try my project getting these.
:AS19819 route: 162.216.137.0/24 origin: AS19819 mnt-by: MNT-BCL-130 descr: 1601 S Bridge St Brady TX 76825 United States tech-c: HUFFM10-ARIN admin-c: HUFFM10-ARIN source: ARIN created: 2020-06-11T15:30:58Z last-modified: 2020-06-11T15:30:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.67.88.0/23 origin: AS19819 mnt-by: MNT-BCL-130 descr: 1601 S Bridge St Brady TX 76825 United States tech-c: HUFFM10-ARIN admin-c: HUFFM10-ARIN source: ARIN created: 2020-06-11T15:30:04Z last-modified: 2020-06-11T15:30:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.67.88.0/24 descr: update Brd origin: AS19819 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200605 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.67.89.0/24 descr: Brady Comm WestCentr origin: AS19819 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200518 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.49.43.0/24 descr: Brady Communications origin: AS19819 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200518 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.24.32.0/24 origin: AS19819 mnt-by: MNT-BCL-130 descr: 1601 S Bridge St Brady TX 76825 United States tech-c: HUFFM10-ARIN admin-c: HUFFM10-ARIN source: ARIN created: 2020-06-15T20:53:14Z last-modified: 2020-06-15T20:53:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.24.32.0/24 descr: update Brd Comm origin: AS19819 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200615 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source