These entries are queried from radb.net using whois, you can try my project getting these.
:AS201739 route: 45.152.0.0/22 descr: Metranet Communications Ltd. origin: AS201739 mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2019-09-11T13:43:51Z last-modified: 2023-01-12T21:11:54Z 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: 45.152.0.0/24 descr: Metranet Communications Ltd. origin: AS201739 mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2023-07-03T10:14:08Z last-modified: 2023-07-03T10:14:08Z 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: 45.152.1.0/24 descr: Metranet Communications Ltd. origin: AS201739 mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2023-07-03T10:14:49Z last-modified: 2023-07-03T10:14:49Z 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: 45.152.2.0/24 descr: Metranet Communications Ltd. origin: AS201739 mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2023-07-03T10:16:22Z last-modified: 2023-07-03T10:16:22Z 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: 45.152.3.0/24 descr: Metranet Communications Ltd. origin: AS201739 mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2023-07-03T10:16:48Z last-modified: 2023-07-03T10:16:48Z 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: valid route: 185.22.252.0/22 origin: AS201739 mnt-by: METRANET-MNT created: 2018-01-31T15:55:10Z last-modified: 2020-02-04T14:06:11Z 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: 185.65.108.0/22 descr: Metranet Communications Ltd. origin: AS201739 org: ORG-MCL35-RIPE notify: support [at] metranet.co.uk mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2014-07-29T14:48:53Z last-modified: 2017-07-13T15:24:10Z 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: 2a03:1be0::/32 descr: Metranet Communications Ltd. origin: AS201739 org: ORG-MCL35-RIPE notify: support [at] metranet.co.uk mnt-lower: METRANET-MNT mnt-routes: METRANET-MNT mnt-by: METRANET-MNT created: 2014-07-29T14:48:53Z last-modified: 2017-07-11T12:57:41Z 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