These entries are queried from radb.net using whois, you can try my project getting these.
:AS134831 route: 103.222.238.0/24 descr: PropertyGuru Singapore SG Equinix SG2 origin: AS134831 mnt-by: MAINT-PG-SG mnt-by: MAINT-SG-DP last-modified: 2020-07-15T02:05:33Z source: APNIC rpki-ov-state: valid route: 103.247.180.0/24 descr: PropertyGuru Singapore SG Equinix SG2 origin: AS134831 mnt-by: MAINT-PG-SG mnt-by: MAINT-SG-DP last-modified: 2020-07-15T02:06:00Z source: APNIC rpki-ov-state: valid route6: 2001:df7:a400::/48 descr: PropertyGuru Singapore SG Equinix SG2 origin: AS134831 mnt-by: MAINT-PG-SG mnt-by: MAINT-SG-DP last-modified: 2017-02-08T07:21:06Z source: APNIC rpki-ov-state: valid