These entries are queried from radb.net using whois, you can try my project getting these.
:AS45794 route: 58.65.13.0/24 origin: AS45794 descr: NTT Singapore Pte Ltd 20 WEST PASIR PANJANG ROAD, #11-28 MAPLE TREE BUSINESS CITY mnt-by: MAINT-SG-NTTS last-modified: 2021-01-13T08:05:21Z source: APNIC rpki-ov-state: valid route: 103.8.152.0/22 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140722 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.8.152.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140722 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.8.153.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140722 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.8.154.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140722 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.8.155.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140722 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 116.51.15.0/24 origin: AS45794 descr: NTT Singapore Pte Ltd 20 West, Pasir Panjang Road #11-28, Mapletree Business City mnt-by: MAINT-SG-NTTS last-modified: 2023-07-25T10:26:24Z source: APNIC rpki-ov-state: valid route: 116.51.32.0/24 origin: AS45794 descr: NTT Singapore Pte Ltd 20 WEST PASIR PANJANG ROAD, #11-28 MAPLE TREE BUSINESS CITY mnt-by: MAINT-SG-NTTS last-modified: 2021-01-13T08:28:28Z source: APNIC rpki-ov-state: valid route: 134.97.18.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon.loo [at] ntt.com.sg 20140929 source: NTTCOM rpki-ov-state: valid route: 161.68.250.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon-dot-loo [at] ntt.com.sg 20150427 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.68.251.0/24 descr: proxy registration origin: AS45794 notify: ip-eng [at] ntt.com.sg notify: networkadmin [at] ntt.com.sg mnt-by: MAINT-AS17645 changed: chiachoon-dot-loo [at] ntt.com.sg 20150427 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.136.161.0/24 origin: AS45794 descr: NTT Singapore Pte Ltd 20 WEST PASIR PANJANG ROAD, #11-28 MAPLE TREE BUSINESS CITY mnt-by: MAINT-SG-NTTS last-modified: 2021-01-13T08:42:12Z source: APNIC rpki-ov-state: valid