These entries are queried from radb.net using whois, you can try my project getting these.
:AS139791 route6: 2406:840:feca::/48 origin: AS139791 descr: Ningbo Dahuamao Information Technology Co Ltd Jiangbeiqu Cichengzhen Jingshilu 1 Hao 7 Zhuang 102 Shi 0162 mnt-by: MAINT-NBDHM-CN last-modified: 2024-02-10T13:02:07Z source: APNIC rpki-ov-state: valid route6: 2a06:3600::/29 origin: AS139791 mnt-by: sc-rapidseedbox-1-mnt created: 2024-02-07T20:11:12Z last-modified: 2024-02-07T20:11:12Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid