These entries are queried from radb.net using whois, you can try my project getting these.
:AS15182 route: 198.206.181.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.182.0/23 descr: Forced Object Correction origin: AS15182 mnt-by: MAINT-AS7132 changed: peering [at] intl.att.com 20190903 source: RADB last-modified: 2023-11-13T15:57:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.182.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.183.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.184.0/22 descr: Forced Object Correction origin: AS15182 mnt-by: MAINT-AS7132 changed: peering [at] intl.att.com 20190903 source: RADB last-modified: 2023-11-13T15:57:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.184.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.185.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.186.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.206.187.0/24 descr: RR-RC-Xylan Corporation-Los Angeles origin: AS15182 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source