These entries are queried from radb.net using whois, you can try my project getting these.
:AS36029 route: 198.105.240.0/20 descr: Prolexic Technologies, Inc. origin: AS36029 mnt-by: MAINT-AS32787 changed: hmartine [at] akamai.com 20160408 #00:57:55Z source: RADB last-modified: 2023-11-13T16:13:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.240.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.241.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.242.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.243.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.244.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.245.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.246.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.247.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.248.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.249.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.251.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.252.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.253.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.254.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.105.255.0/24 descr: Akamai Technologies origin: AS36029 mnt-by: MNT-AKAMAI source: ARIN changed: ip-admin [at] akamai.com 20200304 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source