These entries are queried from radb.net using whois, you can try my project getting these.
:AS37644 route: 196.11.62.0/24 descr: Network of the Ministry of Post, Telecommunications and Technology origin: AS37644 mnt-by: MIPT-MNT changed: *** [at] mptt.gov.so 20181119 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source