These entries are queried from radb.net using whois, you can try my project getting these.
:AS557 route: 64.45.64.0/18 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 64.45.64.0/18 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:16:37Z last-modified: 2020-06-29T18:16:37Z rpki-ov-state: valid route: 64.147.48.0/20 descr: RR-RC-University of Maine System-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.18.0.0/18 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:19:06Z last-modified: 2020-06-29T18:19:06Z rpki-ov-state: valid route: 65.18.0.0/18 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 65.18.64.0/19 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:19:42Z last-modified: 2020-06-29T18:19:42Z rpki-ov-state: valid route: 65.18.64.0/19 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 65.18.96.0/20 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:20:09Z last-modified: 2020-06-29T18:20:09Z rpki-ov-state: valid route: 65.18.96.0/20 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 66.63.115.0/24 descr: Prolexic Technologies, Inc. origin: AS557 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170329 #03:07:29Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 130.111.0.0/16 origin: AS557 mnt-by: MNT-UMAN-Z descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:17:57Z last-modified: 2020-06-29T18:17:57Z rpki-ov-state: valid route: 130.111.0.0/16 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 134.181.0.0/16 descr: Prolexic Technologies, Inc. origin: AS557 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170329 #03:07:29Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.146.0.0/16 descr: RR-RC-University of Maine System-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.114.0.0/16 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-08-11T20:04:50Z last-modified: 2020-08-11T20:04:50Z rpki-ov-state: valid route: 141.114.0.0/16 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 169.244.0.0/16 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 169.244.0.0/16 origin: AS557 mnt-by: MNT-ME-Z descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:18:40Z last-modified: 2020-06-29T18:18:40Z rpki-ov-state: valid route: 192.43.249.0/24 descr: RR-RC-University of Maine System-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.148.217.0/24 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.182.161.0/24 descr: RR-RC-University of Maine System-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.182.162.0/23 descr: RR-RC-University of Maine System-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.202.151.0/24 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.33.141.0/24 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.137.232.0/23 origin: AS557 descr: APOGEE-UNIVERSITY-OF-MAINE/23 admin-c: AGS12-ARIN tech-c: RMA40-ARIN tech-c: TAMBU2-ARIN mnt-by: MNT-APOG created: 2022-01-31T19:55:44Z last-modified: 2022-01-31T19:55:44Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.137.234.0/24 origin: AS557 descr: APOGEE-UNIVERSITY-OF-MAINE/24 admin-c: AGS12-ARIN tech-c: RMA40-ARIN tech-c: TAMBU2-ARIN mnt-by: MNT-APOG created: 2022-01-31T19:57:40Z last-modified: 2022-01-31T19:57:40Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.197.0.0/17 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 204.197.0.0/17 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:21:45Z last-modified: 2020-06-29T18:21:45Z rpki-ov-state: valid route: 207.166.224.0/19 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 207.166.224.0/19 origin: AS557 mnt-by: MNT-ME descr: University of Maine System Networkmaine Orono ME 04469-5752 United States tech-c: IKA-ARIN tech-c: PEIRC1-ARIN admin-c: IKA-ARIN source: ARIN created: 2020-06-29T18:20:47Z last-modified: 2020-06-29T18:20:47Z rpki-ov-state: valid route: 209.222.192.0/19 descr: University of Maine System origin: AS557 mnt-by: MNT-UMAN changed: peirce [at] maine.edu 20171115 source: ARIN rpki-ov-state: valid route: 209.222.192.0/19 descr: Akamai Technologies, Inc origin: AS557 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: valid route: 216.195.188.0/22 descr: RR-RC-University of Maine System/Bowdoin College-Portland origin: AS557 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:48::/32 descr: University of Maine System origin: AS557 mnt-by: MNT-UMAN changed: peirce [at] maine.edu 20171115 source: ARIN rpki-ov-state: valid route6: 2620:a1::/48 descr: Bowdoin College origin: AS557 mnt-by: MAINT-TVC changed: dan [at] firstlight.net 20150630 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source