These entries are queried from radb.net using whois, you can try my project getting these.
:AS38062 route: 210.4.80.0/21 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.80.0/22 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.80.0/23 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.80.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.81.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.82.0/23 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.82.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.83.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.84.0/22 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.84.0/23 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.84.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.85.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.86.0/23 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.86.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.4.87.0/24 descr: Betfair origin: AS38062 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20060725 source: RADB last-modified: 2023-11-13T16:04:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source