These entries are queried from radb.net using whois, you can try my project getting these.
:AS38748 route: 124.6.220.0/22 origin: AS38748 descr: Vodafone New Zealand Limited Private Bag 92161 mnt-by: MAINT-NZ-VODAFONE-NZ last-modified: 2022-04-19T20:52:39Z source: APNIC rpki-ov-state: valid