These entries are queried from radb.net using whois, you can try my project getting these.
:AS55407 route: 103.19.104.0/24 origin: AS55407 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2019-06-25T09:45:15Z source: APNIC rpki-ov-state: valid route: 103.19.105.0/24 origin: AS55407 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2019-06-25T09:42:41Z source: APNIC rpki-ov-state: valid route: 103.19.106.0/24 origin: AS55407 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2019-06-25T09:42:56Z source: APNIC rpki-ov-state: valid route: 203.209.97.0/24 origin: AS55407 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2019-06-25T09:43:20Z source: APNIC rpki-ov-state: valid route: 203.209.98.0/24 origin: AS55407 descr: KSC Commercial Internet Co.Ltd. 2/4 Chubb Tower, 10th Floor Vibhavadee-Rangist Road Thungsonghong mnt-by: KSC-ADMIN last-modified: 2019-06-25T09:43:36Z source: APNIC rpki-ov-state: valid