These entries are queried from radb.net using whois, you can try my project getting these.
:AS202787 route: 185.137.8.0/24 descr: Withers LLP EU range origin: AS202787 notify: EU-IT-Systems [at] withersworldwide.com mnt-by: uk-withers-1-mnt created: 2016-06-03T10:12:05Z last-modified: 2016-06-03T10:39:26Z 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: valid route: 185.137.9.0/24 descr: WITHERS HK PROFESSIONAL SERVICES LTD origin: AS202787 mnt-by: MAINT-EQUINIXPAC changed: josmercado [at] ap.equinix.com 20221215 source: NTTCOM last-modified: 2022-12-15T08:27:41Z rpki-ov-state: valid route: 185.137.9.0/24 descr: Wharf T&T origin: AS202787 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170215 #03:17:13Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: valid route: 185.137.9.0/24 descr: Withers LLP APAC range origin: AS202787 notify: EU-IT-Systems [at] withersworldwide.com mnt-by: uk-withers-1-mnt created: 2017-02-13T16:38:16Z last-modified: 2017-02-13T16:38:16Z 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: valid route: 185.137.10.0/24 origin: AS202787 mnt-by: uk-withers-1-mnt created: 2023-08-04T12:26:03Z last-modified: 2023-08-04T12:26:03Z 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: valid route: 185.137.11.0/24 origin: AS202787 mnt-by: uk-withers-1-mnt created: 2023-08-04T12:26:25Z last-modified: 2023-08-04T12:26:25Z 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