These entries are queried from radb.net using whois, you can try my project getting these.
:AS136464 route: 210.24.99.0/24 origin: AS136464 descr: PACIFIC INTERNET (S) PTE. LTD. 1 Fusionopolis Walk #06-02 South Tower SOLARIS Singapore mnt-by: MAINT-OSINET-COMMS-SG last-modified: 2019-03-26T09:00:05Z source: APNIC rpki-ov-state: valid route: 210.24.99.0/24 origin: AS136464 descr: Sistic Pte Ltd mnt-by: MAINT-AS4628 changed: net-backend [at] pacificinternet.com 20200225 #13:50:16Z source: RADB last-modified: 2023-11-13T16:00:00Z rpki-ov-state: valid