These entries are queried from radb.net using whois, you can try my project getting these.
:AS16409 route: 199.29.143.0/24 descr: PBW Route-IRC1 origin: AS16409 mnt-by: MAINT-AS16409 changed: howard [at] leadmon.net 20101102 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.9.92.0/22 origin: AS16409 descr: PO Box 32863 Baltimore MD 21282 United States member-of: RS-ROUTES:AS16409 admin-c: HL52-ARIN tech-c: HL52-ARIN mnt-by: MNT-PCL-70 created: 2022-10-30T03:45:22Z last-modified: 2022-10-30T05:03:58Z source: ARIN rpki-ov-state: valid route: 207.114.24.0/24 origin: AS16409 descr: PO Box 32863 Baltimore MD 21282 United States member-of: RS-ROUTES:AS16409 admin-c: HL52-ARIN tech-c: HL52-ARIN mnt-by: MNT-HOWARD-1 created: 2022-10-30T03:51:54Z last-modified: 2022-10-30T05:03:23Z source: ARIN rpki-ov-state: valid route: 207.114.32.0/21 descr: PBW Route-DMD-1 origin: AS16409 mnt-by: MAINT-AS16409 changed: howard [at] leadmon.net 20101102 source: ALTDB rpki-ov-state: valid route6: 2001:550:102::/48 descr: PBW Route-C1V6 origin: AS16409 mnt-by: MAINT-AS16409 changed: howard [at] leadmon.net 20101102 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:5e40::/32 origin: AS16409 descr: PO Box 32863 Baltimore MD 21282 United States member-of: RS-ROUTES:AS16409 admin-c: HL52-ARIN tech-c: HL52-ARIN mnt-by: MNT-PCL-70 created: 2022-10-30T03:48:09Z last-modified: 2022-10-30T05:03:40Z source: ARIN rpki-ov-state: valid