These entries are queried from radb.net using whois, you can try my project getting these.
:AS56259 route: 103.10.253.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS56259 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20110824 source: LEVEL3 rpki-ov-state: valid route: 103.10.253.0/24 descr: PT Astra Graphia Information Technology by BIZNET origin: AS56259 mnt-by: MAINT-ID-BIZNET changed: noc [at] biznetnetworks.com 20190618 source: RADB last-modified: 2023-11-13T15:56:39Z rpki-ov-state: valid route: 103.10.253.0/24 descr: route-object for AS17451 origin: AS56259 remarks: Transit via AS10217 Customers notify: support [at] ntt.net.id mnt-by: MAINT-AS10217 changed: dn.caesar [at] ntt.co.id 20130205 source: NTTCOM rpki-ov-state: valid route: 103.28.163.0/24 descr: Proxy-registered route object origin: AS56259 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20120612 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: valid route: 103.28.163.0/24 descr: route-object for AS17451 origin: AS56259 remarks: Transit via AS10217 Customers notify: support [at] ntt.net.id mnt-by: MAINT-AS10217 changed: dn.caesar [at] ntt.co.id 20130205 source: NTTCOM rpki-ov-state: valid route: 103.28.163.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS56259 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20120111 source: LEVEL3 rpki-ov-state: valid route: 103.65.96.0/23 descr: Proxy-registered route object origin: AS56259 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20200225 source: NTTCOM rpki-ov-state: valid route: 103.65.96.0/23 origin: AS56259 descr: PT Astra Graphia Information Technology mnt-by: MAINT-AS4761 changed: akanksha.singh.jaiswal [at] ericsson.com 20201101 #22:07:07Z source: RADB last-modified: 2023-11-13T16:12:48Z rpki-ov-state: valid route: 103.65.96.0/23 descr: Routes announced to Level 3 by BIZNET. origin: AS56259 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20160613 source: LEVEL3 rpki-ov-state: valid route: 103.65.96.0/24 origin: AS56259 descr: PT Astra Graphia Information Technology mnt-by: MAINT-AS4761 changed: akanksha.singh.jaiswal [at] ericsson.com 20201101 #22:09:03Z source: RADB last-modified: 2023-11-13T16:12:48Z rpki-ov-state: valid route: 103.65.96.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS56259 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20160613 source: LEVEL3 rpki-ov-state: valid route: 103.65.96.0/24 descr: Proxy-registered route object origin: AS56259 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20200225 source: NTTCOM rpki-ov-state: valid route: 103.65.97.0/24 descr: Proxy-registered route object origin: AS56259 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20200225 source: NTTCOM rpki-ov-state: valid route: 103.65.97.0/24 descr: PT Astra Graphia Information Technology origin: AS56259 mnt-by: MAINT-AS4761 changed: support [at] indosat.com 20160613 #06:52:59Z source: RADB last-modified: 2023-11-13T16:12:49Z rpki-ov-state: valid route: 103.65.97.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS56259 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20160613 source: LEVEL3 rpki-ov-state: valid