These entries are queried from radb.net using whois, you can try my project getting these.
:AS397592 route: 23.134.112.0/24 descr: Vultr Customer Route origin: AS397592 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221116 #00:37:28-18000 source: RADB last-modified: 2023-11-13T16:13:08Z rpki-ov-state: valid route: 23.134.112.0/24 descr: nthWEB IPv4 origin: AS397592 mnt-by: MNT-ST-1491 changed: severn [at] nthweb.net 20190813 source: ARIN rpki-ov-state: valid route6: 2620:13f:5000::/44 descr: nthWEB IPv6 origin: AS397592 mnt-by: MNT-ST-1491 changed: severn [at] nthweb.net 20190813 source: ARIN rpki-ov-state: valid route6: 2620:13f:5000::/48 descr: Vultr Customer Route origin: AS397592 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:40:38-18000 source: RADB last-modified: 2023-11-13T16:13:11Z rpki-ov-state: valid route6: 2620:13f:5000::/48 descr: nthWEB IPv6 - 1 origin: AS397592 mnt-by: MNT-ST-1491 changed: severn [at] nthweb.net 20190813 source: ARIN rpki-ov-state: valid route6: 2620:13f:5001::/48 descr: nthWEB IPv6 - 2 origin: AS397592 mnt-by: MNT-ST-1491 changed: severn [at] nthweb.net 20190813 source: ARIN rpki-ov-state: valid