These entries are queried from radb.net using whois, you can try my project getting these.
:AS49020 route: 38.51.51.0/24 origin: AS49020 descr: Route Registered for Cogent Communications Customer - Fiberskynet geoidx: LB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230530 #19:20:57Z source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.142.138.0/24 origin: AS49020 mnt-by: lb-energy-1-mnt created: 2022-12-31T11:08:04Z last-modified: 2022-12-31T11:08:04Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.100.171.0/24 origin: AS49020 mnt-by: lir-gr-smartnet-1-MNT created: 2024-03-18T00:11:17Z last-modified: 2024-03-18T00:11:17Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.139.12.0/24 origin: AS49020 mnt-by: lb-fiberskynet-1-mnt created: 2024-02-15T10:06:28Z last-modified: 2024-02-15T10:06:28Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.139.13.0/24 origin: AS49020 mnt-by: lb-fiberskynet-1-mnt created: 2024-02-15T10:06:56Z last-modified: 2024-02-15T10:06:56Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.139.14.0/24 origin: AS49020 mnt-by: lb-fiberskynet-1-mnt created: 2024-02-15T10:07:25Z last-modified: 2024-02-15T10:07:25Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.139.15.0/24 origin: AS49020 mnt-by: lb-fiberskynet-1-mnt created: 2024-02-15T10:07:57Z last-modified: 2024-02-15T10:07:57Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 206.62.48.0/22 origin: AS49020 descr: Fiberskynet mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20211007 #09:30:47Z source: RADB last-modified: 2023-11-13T16:08:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.48.0/23 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.48.0/24 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.49.0/24 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.50.0/23 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.50.0/24 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.62.51.0/24 origin: AS49020 descr: Registered for Cogent Communications Customer - Fiberskynet geoidx: DE mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2023-11-20T22:53:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source