These entries are queried from radb.net using whois, you can try my project getting these.
:AS48810 route: 91.238.37.0/24 descr: IRM descr: Av1_31,RN12_12 descr: Av12_18,21,27,33,42,G6 descr: IM125_9,15,26,29,DC,SC origin: AS48810 mnt-by: RO-MNT mnt-lower: RO-MNT mnt-routes: RO-MNT created: 2019-10-25T16:09:20Z last-modified: 2021-12-07T11:34:45Z 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