These entries are queried from radb.net using whois, you can try my project getting these.
:AS36501 route: 12.25.50.0/24 descr: RR-RC-DELORME PUBLISHING CO, INC.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.25.54.0/24 descr: RR-RC-DELORME PUBLISHING CO, INC.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.25.55.0/24 descr: RR-RC-DELORME PUBLISHING CO, INC.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.204.0/22 descr: RR-RC-Delmore Publishing Co, Inc.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.204.0/23 descr: Proxy route object for Garmin Intl origin: AS36501 admin-c: IA93-ARIN tech-c: IA93-ARIN remarks: AKA Delorme Publishing notify: ip-admin [at] firstlight.net mnt-by: MAINT-SOVER-NOC changed: jhall [at] firstlight.net 20220715 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.204.0/24 descr: Proxy route object for Garmin Intl origin: AS36501 admin-c: IA93-ARIN tech-c: IA93-ARIN remarks: AKA Delorme Publishing notify: ip-admin [at] firstlight.net mnt-by: MAINT-SOVER-NOC changed: jhall [at] firstlight.net 20220715 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.206.0/24 descr: RR-RC-Delmore Publishing Co, Inc.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.207.0/24 descr: RR-RC-Delmore Publishing Co, Inc.-Portland origin: AS36501 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source