These entries are queried from radb.net using whois, you can try my project getting these.
:AS11439 route: 199.19.172.0/22 origin: AS11439 descr: Caneris Inc. PO BOX 2456, STN B Richmond Hill ON L4E 1A5 remarks: cleave of 199.19.168.0/21 as per ticket ARIN-20201030-X718782 admin-c: EMA109-ARIN tech-c: NOC3408-ARIN mnt-by: MNT-CANER created: 2020-11-25T00:09:33Z last-modified: 2020-11-25T13:42:54Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source