These entries are queried from radb.net using whois, you can try my project getting these.
:AS20248 route: 23.231.128.0/17 origin: AS20248 mnt-by: MNT-FOGL-2 descr: 5716 Corsa Ave., Suite 110, Westlake Village CA 91362-7354 United States tech-c: LINLI1-ARIN admin-c: LINLI1-ARIN source: ARIN created: 2020-08-29T00:58:52Z last-modified: 2020-08-29T00:58:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.99.108.0/23 descr: PNAP-SJE centralh route origin: AS20248 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20080920 source: RADB last-modified: 2023-11-13T16:14:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.108.176.0/23 descr: PNAP-SJE centralh route origin: AS20248 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20080920 source: RADB last-modified: 2023-11-13T16:14:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.115.128.0/20 origin: AS20248 mnt-by: MNT-T2H descr: 5255 Stevens Creek Blvd. #217 Santa Clara CA 95051 United States tech-c: OPERA148-ARIN admin-c: OPERA148-ARIN source: ARIN created: 2020-08-27T21:51:16Z last-modified: 2020-08-27T21:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.82.160.0/19 origin: AS20248 mnt-by: MNT-T2H descr: 5255 Stevens Creek Blvd. #217 Santa Clara CA 95051 United States tech-c: OPERA148-ARIN admin-c: OPERA148-ARIN source: ARIN created: 2020-08-27T21:51:33Z last-modified: 2020-08-27T21:51:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 107.163.0.0/16 origin: AS20248 mnt-by: MNT-FOGL-2 descr: 5716 Corsa Ave., Suite 110, Westlake Village CA 91362-7354 United States tech-c: LINLI1-ARIN admin-c: LINLI1-ARIN source: ARIN created: 2020-08-29T00:59:29Z last-modified: 2020-08-29T00:59:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.252.192.0/18 origin: AS20248 mnt-by: MNT-T2H descr: 5255 Stevens Creek Blvd. #217 Santa Clara CA 95051 United States tech-c: OPERA148-ARIN admin-c: OPERA148-ARIN source: ARIN created: 2020-08-27T21:51:51Z last-modified: 2020-08-27T21:51:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.144.240.0/20 origin: AS20248 mnt-by: MNT-T2H descr: 5255 Stevens Creek Blvd. #217 Santa Clara CA 95051 United States tech-c: OPERA148-ARIN admin-c: OPERA148-ARIN source: ARIN created: 2020-08-27T21:52:07Z last-modified: 2020-08-27T21:52:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source