These entries are queried from radb.net using whois, you can try my project getting these.
:AS32454 route: 204.8.54.0/24 descr: ARB-204-8-54 origin: AS32454 mnt-by: MAINT-AS32454 changed: radb [at] nextcarrier.com 20050409 #INC/200504091000184 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.8.0/22 origin: AS32454 descr: NEXTCARRIER-1 ARIN admin-c: ASO14-ARIN tech-c: NIC6-ARIN mnt-by: MAINT-AS32454 changed: slava [at] nextcarrier.com 20050815 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.8.0/24 origin: AS32454 descr: NEXTCARRIER-204-14-8 admin-c: ASO14-ARIN tech-c: NIC6-ARIN mnt-by: MAINT-AS32454 changed: slava [at] nextcarrier.com 20050930 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.9.0/24 origin: AS32454 descr: NEXTCARRIER-204-14-9 admin-c: ASO14-ARIN tech-c: NIC6-ARIN mnt-by: MAINT-AS32454 changed: slava [at] nextcarrier.com 20050930 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.10.0/24 origin: AS32454 descr: NEXTCARRIER-204-14-10 admin-c: ASO14-ARIN tech-c: NIC6-ARIN mnt-by: MAINT-AS32454 changed: slava [at] nextcarrier.com 20050930 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.11.0/24 origin: AS32454 descr: NEXTCARRIER-204-14-11 admin-c: ASO14-ARIN tech-c: NIC6-ARIN mnt-by: MAINT-AS32454 changed: slava [at] nextcarrier.com 20050930 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.115.62.0/24 origin: AS32454 descr: PHX remarks: Proxy object for AS32454 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source