These entries are queried from radb.net using whois, you can try my project getting these.
:AS203651 route: 145.248.208.0/21 descr: Proxy-registered route object origin: AS203651 remarks: This proxy route object was created because no existing object with the same origin was found, and since some StarHub peers filter based on these objects this route may be rejected if this object is not created. remarks: remarks: Please contact ipnoc [at] starhub.com if you have any questions regarding this object. notify: ippeering [at] starhub.com mnt-by: MAINT-AS4657 changed: ippeering [at] starhub.com 20200821 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.208.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:11:39Z last-modified: 2022-12-02T14:24:26Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.208.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.209.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:12:47Z last-modified: 2022-12-02T14:25:01Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.209.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.210.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.210.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:13:29Z last-modified: 2022-12-02T14:25:57Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.211.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.211.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:14:07Z last-modified: 2022-12-02T14:27:11Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.212.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:14:57Z last-modified: 2022-12-02T14:27:43Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.212.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.213.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.213.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:15:23Z last-modified: 2022-12-02T14:50:21Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.214.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.214.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:15:49Z last-modified: 2022-12-02T14:50:53Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.215.0/24 descr: SGP-CAI origin: AS203651 mnt-by: CAI-MNT mnt-by: caibkp-mnt created: 2016-02-13T08:16:14Z last-modified: 2022-12-02T14:51:29Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.248.215.0/24 descr: Akamai Technologies, Inc origin: AS203651 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211025 last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source