These entries are queried from radb.net using whois, you can try my project getting these.
:AS137460 route: 103.109.140.0/24 descr: Proxy route object for AS137460 by AS63956 origin: AS137460 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20180216 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: 103.109.141.0/24 descr: Proxy route object for AS137460 by AS63956 origin: AS137460 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20180304 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: 103.109.142.0/24 descr: Proxy route object for AS137460 by AS63956 origin: AS137460 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20180304 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: 103.109.143.0/24 descr: Proxy route object for AS137460 by AS63956 origin: AS137460 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20180304 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source