These entries are queried from radb.net using whois, you can try my project getting these.
:AS48350 route: 45.148.236.0/22 origin: AS48350 mnt-by: ZENVOO-MNT created: 2021-08-02T11:06:52Z last-modified: 2021-08-02T11:06:52Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.148.236.0/24 origin: AS48350 mnt-by: ZENVOO-MNT created: 2019-09-03T19:42:42Z last-modified: 2019-09-03T19:42:42Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.148.237.0/24 origin: AS48350 mnt-by: ZENVOO-MNT created: 2021-08-03T10:15:50Z last-modified: 2021-08-03T10:15:50Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.148.238.0/24 origin: AS48350 mnt-by: ZENVOO-MNT created: 2021-08-06T07:49:42Z last-modified: 2021-08-06T07:49:42Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.148.239.0/24 origin: AS48350 mnt-by: ZENVOO-MNT created: 2021-08-06T07:50:17Z last-modified: 2021-08-06T07:50:17Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.208.130.0/24 descr: Zenvoo SAGL origin: AS48350 mnt-by: COLT-CH-MNT mnt-by: ZENVOO-MNT created: 2016-06-07T14:00:55Z last-modified: 2016-06-07T14:00:55Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.209.111.0/24 descr: Zenvoo SAGL origin: AS48350 mnt-by: COLT-CH-MNT mnt-by: ZENVOO-MNT created: 2016-05-17T11:06:10Z last-modified: 2016-05-24T06:51:13Z 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: not_found # No ROAs found, or RPKI validation not enabled for source