These entries are queried from radb.net using whois, you can try my project getting these.
:AS19261 route: 66.207.128.0/20 descr: aspStation, Inc. origin: AS19261 mnt-by: MAINT-AS19261 changed: dehart [at] aspstation.net 20120502 source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.158.19.0/24 origin: AS19261 descr: Rayus mnt-by: MAINT-AS19261 changed: dehart [at] aspstation.net 20240129 # 2132Z source: RADB last-modified: 2024-01-29T21:32:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.144.32.0/20 descr: aspStation, Inc. origin: AS19261 mnt-by: MAINT-AS19261 changed: dehart [at] aspstation.net 20120502 source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.187.255.0/24 descr: aspStation, Inc. origin: AS19261 mnt-by: MAINT-AS19261 changed: dehart [at] aspstation.net 20120502 source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.167.80.0/23 descr: aspStation, Inc. origin: AS19261 mnt-by: MAINT-AS19261 changed: dehart [at] aspstation.net 20120502 source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source