These entries are queried from radb.net using whois, you can try my project getting these.
:AS396853 route: 198.98.192.0/24 origin: AS396853 descr: 1765 Duke Street Alexandria VA 22314 United States admin-c: PTS7-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WSL-163 created: 2023-09-13T16:04:47Z last-modified: 2023-09-13T16:04:47Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.98.195.0/24 origin: AS396853 descr: 1765 Duke Street Alexandria VA 22314 United States admin-c: PTS7-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WSL-163 created: 2023-09-13T16:06:52Z last-modified: 2023-09-13T16:06:52Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.98.196.0/22 origin: AS396853 descr: 1765 Duke Street Alexandria VA 22314 United States admin-c: PTS7-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WSL-163 created: 2023-09-13T16:06:04Z last-modified: 2023-09-13T16:06:04Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.98.248.0/21 origin: AS396853 descr: 1765 Duke Street Alexandria VA 22314 United States admin-c: PTS7-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WSL-163 created: 2023-09-13T16:05:28Z last-modified: 2023-09-13T16:05:28Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source