These entries are queried from radb.net using whois, you can try my project getting these.
:AS18451 route: 44.31.194.0/24 origin: AS18451 descr: VE4VR VA4WAN admin-c: SMITH5996-ARIN tech-c: SMITH5996-ARIN notify: hostmaster [at] ardc.net mnt-by: MAINT-ARDC changed: chris [at] ardc.net 20230508 #12:12:39Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 174.34.248.0/22 descr: LESNET-IPv4-3 origin: AS18451 notify: arin [at] les.net mnt-by: MNT-LESNE changed: arin [at] les.net 20181024 source: ARIN rpki-ov-state: valid route: 199.7.82.0/23 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS18451 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20200625 source: RADB last-modified: 2024-03-05T21:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.7.83.0/24 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS18451 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20200625 source: RADB last-modified: 2024-03-05T21:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.87.152.0/21 descr: LESNET-v4-2 origin: AS18451 notify: arin [at] les.net mnt-by: MNT-LESNE changed: arin [at] les.net 20160419 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.81.0.0/21 descr: VOI Networks LES.net Route origin: AS18451 mnt-by: BANDCON-MNT changed: neteng [at] bandcon.com 20090925 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.81.0.0/21 descr: LESNET-v4-1 origin: AS18451 notify: arin [at] les.net mnt-by: MNT-LESNE changed: arin [at] les.net 20160419 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:5140::/32 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS18451 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20200630 source: RADB last-modified: 2024-03-05T21:00:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:e200::/32 descr: Les.net (1996) Inc descr: 130 Portage Ave E descr: Winnipeg, MB R3C 0A1 descr: CA origin: AS18451 remarks: Les.net IPv6 allocation object notify: arin [at] les.net mnt-by: MNT-LESNE changed: arin [at] les.net 20160225 source: ARIN rpki-ov-state: valid