These entries are queried from radb.net using whois, you can try my project getting these.
:AS27321 route: 149.20.2.0/24 descr: ISC origin: AS27321 remarks: mnt-by: MAINT-AS1280 changed: ekb [at] isc.org 20220725 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: valid route: 149.20.2.0/24 origin: AS27321 descr: PO Box 360 Newmarket NH 03857 United States admin-c: JSO127-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94-Z created: 2023-07-09T15:47:48Z last-modified: 2024-01-03T17:40:33Z source: ARIN rpki-ov-state: valid route: 149.20.3.0/24 origin: AS27321 descr: ISC-NET admin-c: JSO127-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94-Z created: 2024-01-30T09:24:19Z last-modified: 2024-01-30T09:24:19Z source: ARIN rpki-ov-state: valid route: 149.20.4.0/24 origin: AS27321 descr: ISC-V-US admin-c: JSO127-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94-Z created: 2024-04-17T10:43:24Z last-modified: 2024-04-17T10:43:24Z source: ARIN rpki-ov-state: valid route: 149.20.57.0/24 origin: AS27321 descr: ISC-LAB admin-c: JSO127-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94-Z created: 2022-03-31T08:14:28Z last-modified: 2024-01-03T17:40:33Z source: ARIN rpki-ov-state: valid route: 149.20.66.0/24 origin: AS27321 descr: PO Box 360 Newmarket NH 03857 United States admin-c: JSO127-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94-Z created: 2023-05-12T16:01:26Z last-modified: 2024-01-03T17:40:33Z source: ARIN rpki-ov-state: valid route: 149.20.66.0/24 origin: AS27321 descr: ISC mnt-by: MAINT-AS1280 changed: dmahoney [at] isc.org 20230705 #09:29:01Z source: RADB last-modified: 2023-11-13T16:17:41Z rpki-ov-state: valid route: 192.158.248.0/24 changed: ekb [at] isc.org 20220725 descr: ISC F-Root mnt-by: MAINT-AS1280 origin: AS27321 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: valid route: 192.158.248.0/24 origin: AS27321 descr: ISC-NET admin-c: ISCN-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94 created: 2024-01-30T10:07:54Z last-modified: 2024-01-30T10:07:54Z source: ARIN rpki-ov-state: valid route: 192.158.249.0/24 origin: AS27321 descr: ISC-NET admin-c: ISCN-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94 created: 2022-04-08T08:08:16Z last-modified: 2024-01-03T17:39:45Z source: ARIN rpki-ov-state: valid route6: 2001:500:6b::/48 origin: AS27321 descr: ISC-NET admin-c: ISCN-ARIN tech-c: BELLI82-ARIN tech-c: ISCN-ARIN tech-c: JSO127-ARIN tech-c: RA15-ARIN mnt-by: MNT-ISC-94 created: 2022-04-08T08:08:57Z last-modified: 2024-01-30T09:30:37Z source: ARIN rpki-ov-state: valid