These entries are queried from radb.net using whois, you can try my project getting these.
:AS3097 route: 199.53.17.0/24 descr: CSFB-PDC-EC origin: AS3097 mnt-by: CANA-MNT created: 2011-10-18T07:34:54Z last-modified: 2011-10-18T07:34:54Z 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 route: 199.53.17.0/24 descr: PNAP-NYC origin: AS3097 mnt-by: MAINT-AS1828 changed: jread [at] internap.com 20141001 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.76.0/24 descr: PNAP-NYM btradbtgs route origin: AS3097 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20111126 source: RADB last-modified: 2023-11-13T16:14:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.79.0/24 descr: CS-PRIMEv-PRI origin: AS3097 mnt-by: CANA-MNT created: 2011-08-04T15:28:26Z last-modified: 2011-08-04T15:28:26Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.79.0/24 descr: PNAP-NYC origin: AS3097 mnt-by: MAINT-AS1828 changed: jread [at] internap.com 20141001 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.184.0/24 descr: PNAP-NYC origin: AS3097 mnt-by: MAINT-AS1828 changed: jread [at] internap.com 20141001 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.184.0/24 descr: CSFB-PDC-EC origin: AS3097 mnt-by: CANA-MNT created: 2011-10-18T07:34:54Z last-modified: 2011-10-18T07:34:54Z 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 route: 199.53.185.0/24 descr: PNAP-NYC BT Americas ( BTGS) origin: AS3097 mnt-by: MAINT-AS1828 changed: mkyrnin [at] internap.com 20190807 source: RADB last-modified: 2023-11-13T16:16:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.53.195.0/24 descr: PNAP-NYC BT Americas ( BTGS) origin: AS3097 mnt-by: MAINT-AS1828 changed: mkyrnin [at] internap.com 20190807 source: RADB last-modified: 2023-11-13T16:16:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a02:6a0:ffe::/48 descr: CSAM-CLI origin: AS3097 mnt-by: CANA-MNT created: 2020-11-24T09:47:53Z last-modified: 2020-11-24T09:47:53Z 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 route6: 2a02:6a0:fff::/48 descr: CSAM-PRI origin: AS3097 mnt-by: CANA-MNT created: 2020-11-24T09:49:44Z last-modified: 2020-11-24T09:49:44Z 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