These entries are queried from radb.net using whois, you can try my project getting these.
:AS1786 route: 129.35.189.0/24 origin: AS1786 mnt-by: IBM-IPREG-MNT created: 2017-01-11T23:27:57Z last-modified: 2018-09-04T18:40:58Z source: RIPE-NONAUTH 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: 170.225.221.0/24 origin: AS1786 descr: 3039 Cornwallis Road Research Triangle Park NC 27709-2195 United States remarks: X_SHJ-Almaden-CA:vSC-IBM-Research-Public-red-Ext admin-c: RAIN-ARIN tech-c: RAIN-ARIN mnt-by: MNT-IBM-1-Z created: 2024-02-01T16:20:25Z last-modified: 2024-02-01T16:20:25Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source