These entries are queried from radb.net using whois, you can try my project getting these.
:AS16838 route: 72.13.63.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20221007 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:12:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.13.63.0/24 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-10-07T14:55:01Z last-modified: 2022-10-07T14:55:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.144.50.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210507 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:05:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.144.50.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-US-VERISIGN remarks: For non critical questions, contact ******** remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2022-01-21T02:12:51Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.144.53.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210507 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:05:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.144.53.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-US-VERISIGN remarks: For non critical questions, contact ******** remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2022-01-21T02:12:50Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.168.230.0/24 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-01-24T17:24:49Z last-modified: 2022-09-10T00:02:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.168.230.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210205 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.168.239.0/24 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20230413 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:15:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.168.239.0/24 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-01-24T17:10:08Z last-modified: 2022-09-10T00:02:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:16::/48 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-01-24T17:21:08Z last-modified: 2022-09-10T00:02:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:16::/48 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210205 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:1e::/48 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-01-24T17:16:17Z last-modified: 2022-09-10T00:01:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:1e::/48 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210205 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:1f::/48 origin: AS16838 descr: Verisign Route mnt-by: MAINT-AS26415 changed: radb [at] verisign.com 20210205 source: radb remarks: For non critical questions, contact radb [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml last-modified: 2023-11-13T16:03:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:74:1f::/48 origin: AS16838 descr: Verisign Route tech-c: NETWO480-ARIN admin-c: NETWO480-ARIN mnt-by: MNT-VIO-2 source: ARIN remarks: For non critical questions, contact netadmin [at] verisign.com. remarks: For operational issues, contact Verisign at remarks: https://www.verisign.com/en_US/company-information/contact-us/index.xhtml created: 2022-01-24T17:21:25Z last-modified: 2022-09-10T00:02:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source