These entries are queried from radb.net using whois, you can try my project getting these.
:AS135380 route: 103.71.220.0/23 origin: AS135380 descr: Ministry of Industry Science Technology and Innovation #45 Preah Norodom Boulevard Phsar Thmey III Commune, Daun Penh District, Phnom Penh City mnt-by: MAINT-MOISTAI-KH last-modified: 2023-11-20T17:22:20Z source: APNIC rpki-ov-state: valid route: 103.71.220.0/24 origin: AS135380 descr: Ministry of Industry Science Technology and Innovation #45 Preah Norodom Boulevard Phsar Thmey III Commune, Daun Penh District, Phnom Penh City mnt-by: MAINT-MOISTAI-KH last-modified: 2023-11-23T02:16:52Z source: APNIC rpki-ov-state: valid route: 103.71.221.0/24 origin: AS135380 descr: Ministry of Industry Science Technology and Innovation #45 Preah Norodom Boulevard Phsar Thmey III Commune, Daun Penh District, Phnom Penh City mnt-by: MAINT-MOISTAI-KH last-modified: 2023-11-23T02:16:52Z source: APNIC rpki-ov-state: valid route6: 2001:470:242::/48 origin: AS135380 descr: NET-2001-470-242---48-AS135380 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-12-11T02:45:14Z last-modified: 2023-12-11T02:45:14Z rpki-ov-state: valid route6: 2001:df3:fc0::/48 origin: AS135380 descr: Ministry of Industry Science Technology and Innovation #45 Preah Norodom Boulevard Phsar Thmey III Commune, Daun Penh District, Phnom Penh City mnt-by: MAINT-MOISTAI-KH last-modified: 2023-11-23T02:46:49Z source: APNIC rpki-ov-state: valid