These entries are queried from radb.net using whois, you can try my project getting these.
:AS26457 route: 158.51.134.0/24 origin: AS26457 descr: Customer Route mnt-by: MAINT-AS19969 changed: joe [at] joesdatacenter.com 20200514 #20:18:50Z source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: valid route: 158.51.134.0/24 descr: nonexiste.net descr: 3310 W Breaker Ln descr: Ste 300 #302 descr: Austin descr: TX origin: AS26457 mnt-by: MNT-NS-548 changed: nsuan [at] nonexiste.net 20200115 source: ARIN rpki-ov-state: valid route6: 2620:135:5000::/44 descr: Vultr Customer Route origin: AS26457 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221210 #00:37:25-18000 source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: valid route6: 2620:135:5000::/44 descr: nonexiste.net descr: 4993 Columbia Rd descr: Columbia, MD 21044 origin: AS26457 mnt-by: MNT-NS-548 changed: nsuan [at] nonexiste.net 20180217 source: ARIN rpki-ov-state: valid route6: 2620:135:5000::/48 origin: AS26457 descr: MNT-NS-548 route 2620:0135:5000:0000:0000:0000:0000:0000/48 AS26457 admin-c: NOC33510-ARIN tech-c: NOC33510-ARIN mnt-by: MNT-NS-548 created: 2020-07-02T03:12:22Z last-modified: 2022-09-01T18:37:16Z source: ARIN rpki-ov-state: valid route6: 2620:135:5001::/48 origin: AS26457 descr: 3310 W Breaker Ln Ste 300 #302 Austin TX 78758 United States admin-c: NOC33510-ARIN tech-c: NOC33510-ARIN mnt-by: MNT-NS-548 created: 2021-07-29T06:00:19Z last-modified: 2022-09-01T18:37:16Z source: ARIN rpki-ov-state: valid route6: 2620:135:5002::/48 descr: nonexiste.net descr: 1325 Tracy Ave descr: Kansas City, MO 64106 origin: AS26457 mnt-by: MNT-NS-548 changed: nsuan [at] nonexiste.net 20180903 source: ARIN rpki-ov-state: valid route6: 2620:135:5004::/48 origin: AS26457 descr: 3310 W Breaker Ln Ste 300 #302 Austin TX 78758 United States admin-c: NOC33510-ARIN tech-c: NOC33510-ARIN mnt-by: MNT-NS-548 created: 2021-07-29T06:00:59Z last-modified: 2022-09-01T18:37:16Z source: ARIN rpki-ov-state: valid