These entries are queried from radb.net using whois, you can try my project getting these.
:AS35993 route: 23.40.204.0/23 descr: Akamai Technologies origin: AS35993 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20191011 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.45.48.0/24 descr: Akamai Technologies origin: AS35993 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20191023 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.210.4.0/24 descr: REACH (Customer Route) tech-c: RRNOC1-REACH origin: AS35993 notify: irr [at] team.telstra.com mnt-by: MAINT-REACH-NOC remarks: This auto-generated route object was created remarks: for a REACH customer route remarks: remarks: This route object was created because remarks: some REACH peers filter based on these objects remarks: and this route may be rejected remarks: if this object is not created. remarks: remarks: Please contact irr [at] team.telstra.com if you have any remarks: questions regarding this object. source: REACH changed: irr [at] team.telstra.com 20170411 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2600:1408:a::/48 descr: Akamai Technologies origin: AS35993 mnt-by: AKAM1-ALTDB-MNT changed: ip-admin [at] akamai.com 20120305 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source