These entries are queried from radb.net using whois, you can try my project getting these.
:AS136276 route6: 2401:2dc0:8::/48 descr: Eirtel Services origin: AS136276 mnt-by: MAINT-EIRTEL-BD last-modified: 2020-03-14T06:32:39Z source: APNIC rpki-ov-state: valid