These entries are queried from radb.net using whois, you can try my project getting these.
:AS7485 route: 203.148.128.0/21 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.128.0/21 descr: CAT route object for Mahanakorn University of Technology ( ISSP's customer) origin: AS7485 mnt-by: MAINT-THIX-CAT-TH changed: peeradej [at] cat.net.th 20050929 source: RADB last-modified: 2023-11-13T15:45:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.136.0/22 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.136.0/22 descr: A-Net Network origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20030306 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.136.0/23 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.136.0/23 descr: A-Net Network origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20030306 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.138.0/23 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.138.0/23 descr: MUT origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20030306 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.144.0/20 descr: MUT Customer of ANET Internet ( Thailand ) origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20010504 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.144.0/20 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.144.0/21 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.144.0/21 descr: MUT Customer of ANET Internet ( Thailand ) origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20030214 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.147.0/24 descr: MUT Customer of ANET Internet ( Thailand ) for UINET origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20030917 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.152.0/21 descr: Proxy-registered route object origin: AS7485 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 20080904 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.152.0/21 descr: MUT Customer of ANET Internet ( Thailand ) origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20010504 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.214.0/23 descr: MUT origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20010524 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.214.0/24 descr: MUT origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20010524 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.148.215.0/24 descr: MUT origin: AS7485 notify: netadm [at] anet.net.th mnt-by: MAINT-AS4776 changed: netadm [at] anet.net.th 20010524 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.246.198.0/24 origin: AS7485 descr: Samart Infonet Co., Ltd. 99 / 7 Moo 4 29th Flr Software Park Building, Chaengwattana Rd Klong Gluar mnt-by: MAINT-SAMART-TH last-modified: 2024-02-04T10:50:29Z source: APNIC rpki-ov-state: valid route: 210.246.198.0/24 origin: AS7485 descr: Samart - Advanced Metering Infrastructure(AMI) mnt-by: MAINT-SAMART-TH changed: manasri [at] samartinfonet.co.th 20220916 #07:29:53Z source: RADB last-modified: 2023-11-13T16:12:29Z rpki-ov-state: valid route: 210.246.199.0/24 origin: AS7485 descr: Samart - Advanced Metering Infrastructure(AMI) mnt-by: MAINT-SAMART-TH changed: manasri [at] samartinfonet.co.th 20220916 #07:28:24Z source: RADB last-modified: 2023-11-13T16:12:29Z rpki-ov-state: valid route: 210.246.199.0/24 origin: AS7485 descr: Samart Infonet Co., Ltd. 99 / 7 Moo 4 29th Flr Software Park Building, Chaengwattana Rd Klong Gluar mnt-by: MAINT-SAMART-TH last-modified: 2024-02-04T10:50:30Z source: APNIC rpki-ov-state: valid