These entries are queried from radb.net using whois, you can try my project getting these.
:AS139709 route: 103.143.240.0/23 origin: AS139709 descr: EZSVS SINGAPORE(PTE.) LTD. 13 LORONG 8 TOA PAYOH #02-02 BRADDELL TECH SINGAPORE mnt-by: MAINT-EZSVSNET-SG last-modified: 2019-11-27T06:04:50Z country: SG source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.143.240.0/24 country: SG origin: AS139709 descr: EZSVS SINGAPORE(PTE.) LTD. 13 LORONG 8 TOA PAYOH #02-02 BRADDELL TECH SINGAPORE mnt-by: MAINT-EZSVSNET-SG last-modified: 2019-11-27T06:04:16Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.143.241.0/24 country: SG origin: AS139709 descr: EZSVS SINGAPORE(PTE.) LTD. 13 LORONG 8 TOA PAYOH #02-02 BRADDELL TECH SINGAPORE mnt-by: MAINT-EZSVSNET-SG last-modified: 2019-11-27T06:03:08Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source