These entries are queried from radb.net using whois, you can try my project getting these.
:AS3828 route: 141.131.0.0/16 descr: Added on behalf of Ciruss by Grande Communications origin: AS3828 mnt-by: MAINT-AS7459 changed: ipservices [at] grandecom.com 20100902 #21:45:30Z source: RADB last-modified: 2023-11-13T15:41:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.0.0/17 descr: Route added by Grande Communications on Behalf of Cirrus Logic origin: AS3828 mnt-by: MAINT-AS7459 changed: ipservices [at] grandecom.com 20090902 #21:35:03Z source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.0.0/22 descr: RR-RC-Cirrus Logic Inc.-Austin origin: AS3828 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.0.0/24 descr: CyrusOne - Proxy for Customer origin: AS3828 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160530 source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.1.0/24 descr: CyrusOne - Proxy for Customer origin: AS3828 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160530 source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.2.0/24 descr: CyrusOne - Proxy for Customer origin: AS3828 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160530 source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.3.0/24 descr: CyrusOne - Proxy for Customer origin: AS3828 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160530 source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.131.128.0/24 descr: CyrusOne - Proxy for Customer origin: AS3828 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20160530 source: RADB last-modified: 2023-11-13T15:49:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source