These entries are queried from radb.net using whois, you can try my project getting these.
:AS17294 route: 192.54.81.0/24 origin: AS17294 descr: 1355 S Colorado Blvd, STE C-800 Denver CO 80222 United States admin-c: FISHE9-ARIN tech-c: FISHE9-ARIN mnt-by: MNT-CC-3818 created: 2021-07-08T19:12:48Z last-modified: 2021-07-08T19:12:48Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.207.26.0/24 origin: AS17294 descr: 1355 S Colorado Blvd, STE C-800 Denver CO 80222 United States admin-c: FISHE9-ARIN tech-c: FISHE9-ARIN mnt-by: MNT-CC-3818 created: 2021-07-08T19:14:11Z last-modified: 2021-07-08T19:14:11Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.59.88.0/24 origin: AS17294 descr: 1355 S Colorado Blvd, STE C-800 Denver CO 80222 United States admin-c: FISHE9-ARIN tech-c: FISHE9-ARIN mnt-by: MNT-CC-3818 created: 2021-07-08T19:14:36Z last-modified: 2021-07-08T19:14:36Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.59.88.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS17294 remarks: Proxy add for EDIA customer The Library Corporation mnt-by: MAINT-AS7922 changed: ryan_mcclean [at] comcast.com 20190325 source: RADB last-modified: 2023-11-13T15:55:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source