These entries are queried from radb.net using whois, you can try my project getting these.
:AS17556 route: 119.46.99.0/24 descr: AKAMAI-KKN origin: AS17556 mnt-by: MAINT-AS7470 changed: netadmin [at] trueinternet.co.th 20200701 source: RADB last-modified: 2023-11-13T16:01:09Z rpki-ov-state: valid route: 119.46.99.0/24 origin: AS17556 descr: TRUE INTERNET CORPORATION CO. LTD. No. 18, True Tower, Ratchadapisek Road Huai Khwang Subdistrict mnt-by: MAINT-AP-TRUEINTERNET last-modified: 2021-01-19T13:45:23Z source: APNIC rpki-ov-state: valid route6: 2001:fb0:10b2::/48 origin: AS17556 descr: TRUE INTERNET CORPORATION CO. LTD. No. 18, True Tower, Ratchadapisek Road Huai Khwang Subdistrict mnt-by: MAINT-AP-TRUEINTERNET last-modified: 2021-05-25T08:46:26Z source: APNIC rpki-ov-state: valid route6: 2001:fb0:10b2::/48 origin: AS17556 descr: AKAMAIv6-NKR mnt-by: MAINT-AS7470 changed: worasit_sas [at] trueinternet.co.th 20210407 #07:29:56Z source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: valid