These entries are queried from radb.net using whois, you can try my project getting these.
:AS5683 route: 74.91.96.0/20 origin: AS5683 descr: 8000 Excelsior Drive Suite 204 c/o SupraNet Communications, Inc. Madison WI 53717 United States admin-c: SAC30-ARIN tech-c: STC1-ARIN mnt-by: MNT-MCB-21 created: 2021-03-15T22:48:16Z last-modified: 2021-03-15T22:48:16Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.250.40.0/22 origin: AS5683 descr: 8000 Excelsior Dr. Suite 204 Madison WI 53717 United States admin-c: SAC30-ARIN tech-c: STC1-ARIN mnt-by: MNT-MCB-21 created: 2021-03-15T22:45:57Z last-modified: 2021-03-15T22:45:57Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.236.28.0/22 origin: AS5683 descr: 8000 Excelsior Drive Suite 204 c/o SupraNet Communications, Inc. Madison WI 53717 United States admin-c: SAC30-ARIN tech-c: STC1-ARIN mnt-by: MNT-MCB-21 created: 2021-03-15T22:46:41Z last-modified: 2021-03-15T22:46:41Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:2580::/32 origin: AS5683 descr: 8000 Excelsior Drive Suite 204 c/o SupraNet Communications, Inc. Madison WI 53717 United States admin-c: SAC30-ARIN tech-c: STC1-ARIN mnt-by: MNT-MCB-21 created: 2021-03-16T17:39:59Z last-modified: 2021-03-16T17:39:59Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source