These entries are queried from radb.net using whois, you can try my project getting these.
:AS393259 route: 8.18.174.0/23 descr: Proxy-registered route object origin: AS393259 remarks: auto-generated route object remarks: %%TSN-APF-R-LINEBREAK remarks: remarks: This route is for a(n) TOWARDEX customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was proxy-registered by remarks: MAINT-TOWARDEX because either the customer has remarks: not registered the IRR objects on his own, or remarks: a concern exists where some peers may be using remarks: wrong database that may result in nuisance remarks: filtering. remarks: remarks: Contact irr [at] towardex.com if you have any remarks: questions relating to this object. mnt-by: MAINT-TOWARDEX changed: blahdy [at] honeybadger.twdx.net 20131007 #TSN20131007:1720Z-15 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 8.18.174.0/23 descr: cus prefix origin: AS393259 mnt-by: MAINT-TOWARDEX changed: smc [at] level3.com 20140522 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.71.161.0/24 origin: AS393259 descr: NET-64-71-161-0-24-AS393259 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:01Z last-modified: 2022-01-20T20:21:01Z rpki-ov-state: valid route: 64.71.161.0/24 descr: Proxy-registered route object origin: AS393259 remarks: auto-generated route object remarks: %%TSN-APF-R-LINEBREAK remarks: remarks: This route is for a(n) TOWARDEX customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was proxy-registered by remarks: MAINT-TOWARDEX because either the customer has remarks: not registered the IRR objects on his own, or remarks: a concern exists where some peers may be using remarks: wrong database that may result in nuisance remarks: filtering. remarks: remarks: Contact irr [at] towardex.com if you have any remarks: questions relating to this object. mnt-by: MAINT-TOWARDEX changed: gavin [at] honeybadger.twdx.net 20140123 #TSN20140124:0228Z-46 source: ALTDB rpki-ov-state: valid route: 64.71.161.0/24 descr: cus prefix origin: AS393259 mnt-by: MAINT-TOWARDEX changed: smc [at] level3.com 20140522 source: LEVEL3 rpki-ov-state: valid route: 116.51.25.0/24 origin: AS393259 descr: NTT Singapore Pte Ltd 20 West, Pasir Panjang Road #11-28, Mapletree Business City mnt-by: MAINT-NTTS-HOSTMASTER last-modified: 2023-04-10T10:59:11Z source: APNIC rpki-ov-state: valid route: 140.174.12.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20190415 source: NTTCOM rpki-ov-state: valid route: 140.174.13.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20190415 source: NTTCOM rpki-ov-state: valid route: 140.174.14.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20190415 source: NTTCOM rpki-ov-state: valid route: 165.254.56.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: chowser [at] ntt.net 20191218 source: NTTCOM rpki-ov-state: valid route: 165.254.198.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20170911 source: NTTCOM rpki-ov-state: valid route: 204.2.48.0/22 descr: Proxy object for yottaa origin: AS393259 mnt-by: MAINT-NTTCOM-RA changed: kpack [at] us.ntt.net 20180815 source: NTTCOM rpki-ov-state: valid route: 204.2.131.0/24 descr: Proxy object for yottaa origin: AS393259 mnt-by: MAINT-NTTCOM-RA changed: hluksik [at] us.ntt.net 20151229 source: NTTCOM rpki-ov-state: valid route: 204.2.133.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20161222 source: NTTCOM rpki-ov-state: valid route: 204.2.138.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: kpack [at] us.ntt.net 20170321 source: NTTCOM rpki-ov-state: valid route: 204.2.209.0/24 descr: Proxy RO for Yottaa origin: AS393259 remarks: Proxy Object mnt-by: MAINT-NTTCOM-RA changed: ched [at] ntt.net 20170918 source: NTTCOM rpki-ov-state: valid route6: 2001:470:b7::/48 origin: AS393259 descr: NET-2001-470-b7---48-AS393259 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:01Z last-modified: 2022-01-20T20:21:01Z rpki-ov-state: valid