These entries are queried from radb.net using whois, you can try my project getting these.
:AS140999 route: 103.153.18.0/23 descr: Proxy route object for AS140999 by AS63956 origin: AS140999 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20200708 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: 103.153.18.0/24 descr: Proxy route object for AS140999 by AS63956 origin: AS140999 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20200716 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: 103.153.19.0/24 descr: Proxy route object for AS140999 by AS63956 origin: AS140999 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20200716 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df4:2980::/48 descr: Proxy route object for AS140999 by AS63956 origin: AS140999 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20200708 source: RADB last-modified: 2024-01-31T00:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source