These entries are queried from radb.net using whois, you can try my project getting these.
:AS6373 route: 192.35.195.0/24 descr: Opus One SPRING-NET origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.12.0/22 descr: Opus One OPUS1-NET supernet origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.12.0/24 descr: Opus One OPUS1-NET 12 origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.13.0/24 descr: Opus One OPUS1-NET 13 origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.14.0/24 descr: Opus One OPUS1-NET 14 origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.245.15.0/24 descr: Opus One OPUS1-NET 15 origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.182.112.0/22 descr: Proxy-registered route object origin: AS6373 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20041114 source: RADB last-modified: 2023-11-13T15:42:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.74.220.0/24 descr: Layer42 Anycast DNS origin: AS6373 mnt-by: MAINT-AS8121 changed: ser [at] layer42.net 20120402 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.79.152.0/24 descr: Opus One VENTANA-NET origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.27.149.0/24 descr: Opus One ASPTEL-NET origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.52.218.0/24 descr: Opus One SENATE-RULES origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.182.32.0/19 descr: Opus One OPUS origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.104.16.0/24 descr: Proxy-registered route object origin: AS6373 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20040914 source: RADB last-modified: 2023-11-13T15:42:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:428:aa02:400::/56 descr: Opus One via CTL reassignment origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191025 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:7c80:57::/48 descr: Opus One KJSL-assigned V6 Colo origin: AS6373 mnt-by: MAINT-AS6373 changed: joel.snyder [at] opus1.com 20191126 source: ALTDB rpki-ov-state: valid