These entries are queried from radb.net using whois, you can try my project getting these.
:AS24 route: 198.10.0.0/16 descr: NASA NREN Network origin: AS24 remarks: Moved from AS297 notify: rd [at] nisn.nasa.gov mnt-by: MAINT-AS23 changed: Michael.Turner [at] csoconline.com 20020912 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source