These entries are queried from radb.net using whois, you can try my project getting these.
:AS140576 route: 103.150.134.0/23 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210203 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.150.134.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210203 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.150.135.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210228 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.82.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.83.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.84.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.85.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.86.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.87.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.88.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.89.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210423 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.143.90.0/24 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210523 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:340::/32 descr: Proxy route object for AS140576 by AS63956 origin: AS140576 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210203 source: RADB last-modified: 2024-01-31T00:00:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source