These entries are queried from radb.net using whois, you can try my project getting these.
:AS26329 route: 64.207.192.0/22 origin: AS26329 descr: MNT-INSERV-3 route 064.207.192.000/22 AS26329 member-of: RS-INSERVER-MAIN admin-c: INSER-ARIN tech-c: INSER-ARIN mnt-by: MNT-INSERV-3 created: 2021-04-14T23:02:02Z last-modified: 2021-04-14T23:02:02Z source: ARIN rpki-ov-state: valid route: 64.207.192.0/24 descr: Vultr Customer Route origin: AS26329 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:38-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 64.207.192.0/24 origin: AS26329 mnt-by: MNT-INSERV-3 source: ARIN tech-c: INSER-ARIN admin-c: INSER-ARIN created: 2020-06-19T19:19:41Z last-modified: 2020-06-19T19:30:02Z member-of: RS-INSERVER-MAIN descr: MNT-INSERV-3 route 064.207.192.000/24 AS26329 rpki-ov-state: valid route: 64.207.193.0/24 origin: AS26329 mnt-by: MNT-INSERV-3 source: ARIN tech-c: INSER-ARIN admin-c: INSER-ARIN created: 2020-06-19T19:20:02Z last-modified: 2020-06-19T19:30:12Z member-of: RS-INSERVER-MAIN descr: MNT-INSERV-3 route 064.207.193.000/24 AS26329 rpki-ov-state: valid route: 64.207.194.0/24 descr: Vultr Customer Route origin: AS26329 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20210104 #02:59:06Z source: RADB last-modified: 2023-11-13T16:03:22Z rpki-ov-state: valid route: 64.207.195.0/24 origin: AS26329 descr: MNT-INSERV-3 route 064.207.195.000/24 AS26329 member-of: RS-INSERVER-MAIN admin-c: INSER-ARIN tech-c: INSER-ARIN mnt-by: MNT-INSERV-3 created: 2021-04-14T23:03:39Z last-modified: 2021-04-14T23:03:39Z source: ARIN rpki-ov-state: valid route: 64.207.195.0/24 descr: Vultr Customer Route origin: AS26329 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:38-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 208.80.88.0/22 origin: AS26329 mnt-by: MNT-NXIOL tech-c: NAA16-ARIN admin-c: JOHNH2-ARIN source: ARIN created: 2020-06-19T16:38:33Z last-modified: 2020-06-19T16:38:33Z descr: MNT-NXIOL route 208.080.088.000/22 AS26329 rpki-ov-state: valid route: 208.80.88.0/24 origin: AS26329 mnt-by: MNT-NXIOL tech-c: NAA16-ARIN admin-c: JOHNH2-ARIN member-of: RS-INSERVER-MAIN source: ARIN created: 2020-06-19T19:31:15Z last-modified: 2020-06-19T19:31:15Z descr: MNT-NXIOL route 208.080.088.000/24 AS26329 rpki-ov-state: valid route: 208.80.89.0/24 origin: AS26329 mnt-by: MNT-NXIOL tech-c: NAA16-ARIN admin-c: JOHNH2-ARIN member-of: RS-INSERVER-MAIN source: ARIN created: 2020-06-19T19:31:36Z last-modified: 2020-06-19T19:31:36Z descr: MNT-NXIOL route 208.080.089.000/24 AS26329 rpki-ov-state: valid route: 208.80.90.0/24 origin: AS26329 mnt-by: MNT-NXIOL tech-c: NAA16-ARIN admin-c: JOHNH2-ARIN member-of: RS-INSERVER-MAIN source: ARIN created: 2020-06-19T19:31:56Z last-modified: 2020-06-19T19:31:56Z descr: MNT-NXIOL route 208.080.090.000/24 AS26329 rpki-ov-state: valid route: 208.80.91.0/24 origin: AS26329 mnt-by: MNT-NXIOL tech-c: NAA16-ARIN admin-c: JOHNH2-ARIN member-of: RS-INSERVER-MAIN source: ARIN created: 2020-06-19T19:32:39Z last-modified: 2020-06-19T19:32:39Z descr: MNT-NXIOL route 208.080.091.000/24 AS26329 rpki-ov-state: valid route6: 2604:6b00::/32 origin: AS26329 descr: InServer ipv6 mnt-by: MNT-INSERV-3 source: ARIN tech-c: INSER-ARIN admin-c: INSER-ARIN created: 2020-06-19T16:10:47Z last-modified: 2020-06-19T19:29:34Z member-of: RS-INSERVER-MAIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source