These entries are queried from radb.net using whois, you can try my project getting these.
:AS137057 route: 103.103.76.0/23 descr: Proxy route object for AS137057 by AS63956 origin: AS137057 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210323 source: RADB last-modified: 2024-01-31T00:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.103.76.0/24 descr: Proxy route object for AS137057 by AS63956 origin: AS137057 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210323 source: RADB last-modified: 2024-01-31T00:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.103.77.0/24 descr: Proxy route object for AS137057 by AS63956 origin: AS137057 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210323 source: RADB last-modified: 2024-01-31T00:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.103.78.0/24 descr: Proxy route object for AS137057 by AS63956 origin: AS137057 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210323 source: RADB last-modified: 2024-01-31T00:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.103.79.0/24 descr: Proxy route object for AS137057 by AS63956 origin: AS137057 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20210323 source: RADB last-modified: 2024-01-31T00:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source