These entries are queried from radb.net using whois, you can try my project getting these.
:AS64339 route: 143.0.108.0/22 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 64339 origin: AS64339 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20160310 #19:43:29Z source: RADB last-modified: 2023-11-13T16:18:59Z rpki-ov-state: valid route6: 2803:2640::/32 descr: This route object is for a IFX Networks customer route which is being exported under this origin AS 64339 origin: AS64339 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20160329 #13:39:27Z source: RADB last-modified: 2023-11-13T16:18:59Z rpki-ov-state: valid