These entries are queried from radb.net using whois, you can try my project getting these.
:AS38499 route: 116.90.176.0/21 descr: Proxy-registered route object origin: AS38499 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20100629 source: RADB last-modified: 2023-11-13T15:40:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.90.176.0/22 descr: Proxy-registered route object origin: AS38499 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20100629 source: RADB last-modified: 2023-11-13T15:40:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.90.176.0/23 descr: Proxy-registered route object origin: AS38499 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20100629 source: RADB last-modified: 2023-11-13T15:40:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.90.176.0/23 descr: route-object for AS23947 origin: AS38499 remarks: Transit via AS10217 Customers notify: support [at] ntt.net.id mnt-by: MAINT-AS10217 changed: ricki.anggoro [at] ntt.co.id 20100405 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.90.182.0/23 descr: route-object for AS23947 origin: AS38499 remarks: Transit via AS10217 Customers notify: support [at] ntt.net.id mnt-by: MAINT-AS10217 changed: ricki.anggoro [at] ntt.co.id 20100405 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source