These entries are queried from radb.net using whois, you can try my project getting these.
:AS51090 route: 185.77.192.0/22 descr: AM-ISOC origin: AS51090 mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT notify: ran [at] psg.com created: 2014-11-19T13:37:26Z last-modified: 2015-03-29T13:27:39Z 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: 185.77.194.0/24 descr: AM-ISOC-DC1 origin: AS51090 notify: ran [at] psg.com mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT created: 2015-09-21T08:46:21Z last-modified: 2015-09-21T08:46:21Z 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: 185.77.195.0/24 descr: AM-ISOC-DC2 origin: AS51090 notify: ran [at] psg.com mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT created: 2015-09-21T08:46:21Z last-modified: 2015-09-21T08:46:21Z 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: 195.43.74.0/23 descr: AM-TLD origin: AS51090 pingable: 195.43.74.0 mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT notify: ran [at] psg.com created: 2010-05-28T15:21:43Z last-modified: 2015-03-29T13:25:01Z 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: 2001:67c:21c::/48 descr: AM-TLD origin: AS51090 pingable: 2001:67c:21c:: mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT notify: ran [at] psg.com created: 2010-05-28T15:21:43Z last-modified: 2015-03-29T13:25:01Z 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: 2a03:5620::/32 descr: AM-ISOC origin: AS51090 mnt-lower: AM-ISOC-MNT mnt-routes: AM-ISOC-MNT mnt-by: AM-ISOC-MNT notify: ran [at] psg.com created: 2014-11-19T13:37:26Z last-modified: 2015-03-29T13:27:39Z 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