These entries are queried from radb.net using whois, you can try my project getting these.
:AS141201 route: 43.251.18.0/23 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:00Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.251.18.0/23 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20210219 #12:19:49Z source: RADB last-modified: 2023-11-13T16:03:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.251.18.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.251.19.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:03Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.124.98.0/23 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:05Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.124.98.0/23 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20210219 #12:20:59Z source: RADB last-modified: 2023-11-13T16:03:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.124.98.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:06Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.124.99.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:07Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.42.206.0/23 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:53Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.42.206.0/23 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20210219 #12:21:55Z source: RADB last-modified: 2023-11-13T16:03:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.42.206.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:54Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.156.82.0/23 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:48Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.156.82.0/23 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20201105 #04:05:23Z source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.156.82.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:49Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.156.82.0/24 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20210219 #12:23:18Z source: RADB last-modified: 2023-11-13T16:03:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.156.83.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:50Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.233.160.0/23 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20210219 #12:24:00Z source: RADB last-modified: 2023-11-13T16:03:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.233.160.0/23 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.233.160.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.233.161.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:08:14Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.53.155.0/24 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-GITN-V6-MY last-modified: 2023-08-07T08:43:22Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:82c0::/32 origin: AS141201 descr: TMnet proxy-registered route object - MAMPU mnt-by: MAINT-AS4788 changed: faizal.raup [at] tm.com.my 20201105 #04:09:29Z source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:82c0::/32 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:56Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:82c0::/33 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:57Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:82c0:8000::/33 origin: AS141201 descr: Malaysian Administration Modernisation and Management Planning Unit (MAMPU) MKN Embassy Techzone Building, Block B, Jalan Teknorat 2 mnt-by: MAINT-MAMPUPDSA-MY last-modified: 2023-07-12T06:07:58Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source