These entries are queried from radb.net using whois, you can try my project getting these.
:AS62014 route: 91.108.16.0/22 origin: AS62014 mnt-by: MNT-TELEGRAM created: 2016-10-04T03:13:07Z last-modified: 2016-10-04T03:13:07Z 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: 91.108.56.0/23 descr: Telegram_Messenger_Network origin: AS62014 mnt-by: MNT-TELEGRAM created: 2015-07-13T18:12:19Z last-modified: 2015-07-13T18:12:19Z 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: 149.154.168.0/22 descr: Telegram Messenger DC5 Network origin: AS62014 mnt-by: MNT-TELEGRAM created: 2014-07-27T11:00:06Z last-modified: 2014-07-27T11:00:06Z 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: valid