These entries are queried from radb.net using whois, you can try my project getting these.
:AS328923 route: 102.218.136.0/22 origin: AS328923 descr: ktech-gn-ipv4 mnt-by: KTSU1-MNT changed: *** [at] kagnytechnology.com 20230125 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:7100::/32 origin: AS328923 descr: ktech-gn-ipv6 mnt-by: KTSU1-MNT changed: *** [at] kagnytechnology.com 20230125 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source