These entries are queried from radb.net using whois, you can try my project getting these.
:AS31823 route: 172.86.238.0/24 descr: Itiviti origin: AS31823 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20180828 source: RADB last-modified: 2023-11-13T15:54:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 194.103.13.0/24 descr: Itiviti origin: AS31823 mnt-by: MAINT-AS27506 changed: thomas.strain [at] crowncastle.com 20220222 source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 194.103.13.0/24 descr: Broadridge Trading and Connectivity Solutions AB origin: AS31823 mnt-by: RESILANS-MNT created: 2021-11-30T09:45:54Z last-modified: 2023-05-15T14:47:48Z 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: 194.103.100.0/24 descr: Itiviti Group AB origin: AS31823 mnt-by: RESILANS-MNT created: 2018-02-22T12:26:06Z last-modified: 2018-02-22T12:26:06Z 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