These entries are queried from radb.net using whois, you can try my project getting these.
:AS48881 route: 37.156.7.0/24 origin: AS48881 mnt-by: ro-datanode-1-mnt mnt-by: DATA-NODE-MNT mnt-by: md354-mnt created: 2020-03-06T08:30:43Z last-modified: 2020-03-06T08:30:43Z 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: 46.102.254.0/24 origin: AS48881 mnt-by: ro-datanode-1-mnt mnt-by: DATA-NODE-MNT mnt-by: md354-mnt created: 2020-07-14T10:56:05Z last-modified: 2020-07-14T10:56:05Z 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: 86.105.26.0/24 origin: AS48881 created: 2023-07-06T08:37:28Z last-modified: 2023-07-06T08:37:28Z source: RIPE mnt-by: ro-netprotect-1-mnt 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: 91.250.247.0/24 descr: WEBECOM SRL origin: AS48881 mnt-by: DATA-NODE-MNT created: 2013-09-25T15:30:00Z last-modified: 2013-09-25T15:30:00Z 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: 93.113.28.0/24 descr: SC Hangar Hosting SRL origin: AS48881 mnt-by: DATA-NODE-MNT created: 2009-10-26T21:02:58Z last-modified: 2010-10-20T08:57:40Z 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: 185.104.48.0/21 descr: SC Data Node SRL origin: AS48881 mnt-by: DATA-NODE-MNT created: 2015-07-07T07:59:26Z last-modified: 2015-07-07T07:59:26Z 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: 185.104.180.0/22 descr: SC Data Node SRL origin: AS48881 mnt-by: DATA-NODE-MNT created: 2015-07-06T08:54:40Z last-modified: 2015-07-06T08:54:40Z 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: 188.209.212.0/24 descr: SC Hangar Hosting SRL origin: AS48881 mnt-by: DATA-NODE-MNT created: 2009-10-23T10:45:14Z last-modified: 2009-10-23T10:45:14Z 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: 188.212.111.0/24 descr: WEBECOM SRL origin: AS48881 mnt-by: DATA-NODE-MNT mnt-by: Clax-MNT mnt-by: MNT-WCI mnt-by: GZD-MNT created: 2009-12-24T08:01:34Z last-modified: 2021-02-05T22:19:36Z 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: 188.213.134.0/24 origin: AS48881 mnt-by: ro-datanode-1-mnt mnt-by: md354-mnt mnt-by: DATA-NODE-MNT created: 2024-01-22T15:08:08Z last-modified: 2024-01-22T15:08:08Z 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 route6: 2a06:1fc0::/29 origin: AS48881 mnt-by: md354-mnt mnt-by: DATA-NODE-MNT mnt-by: ro-datanode-1-mnt created: 2016-08-13T05:53:26Z last-modified: 2016-08-13T05:53:26Z 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