These entries are queried from radb.net using whois, you can try my project getting these.
:AS1101 route: 44.137.0.0/16 descr: AMPRNET Netherlands origin: AS1101 notify: hostmaster [at] zuijlen.eu notify: remco [at] pa4tw.nl mnt-by: MAINT-ZUIJLEN changed: hostmaster [at] zuijlen.eu 20190618 changed: hostmaster [at] zuijlen.eu 20210415 changed: hostmaster [at] zuijlen.eu 20220209 source: NTTCOM last-modified: 2022-02-09T10:18:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 145.99.0.0/16 descr: SURFNET VARIOUS origin: AS1101 notify: netmaster-info [at] surfnet.nl mnt-by: AS1103-MNT created: 2015-01-08T23:39:03Z last-modified: 2015-01-08T23:39:03Z 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: 145.102.4.0/23 descr: Onweer origin: AS1101 mnt-by: AS1103-MNT created: 2010-01-21T16:54:23Z last-modified: 2010-01-21T16:54:23Z 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: 145.111.0.0/16 descr: HITB2014AMS origin: AS1101 notify: lir [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2019-01-31T08:11:48Z last-modified: 2019-02-06T22:19:17Z 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: 145.192.0.0/12 descr: SURFnet CIDR Block III a origin: AS1101 notify: lir [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2005-11-28T21:54:13Z last-modified: 2005-11-28T21:54:13Z 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: 145.208.0.0/13 descr: SURFnet CIDR Block III b origin: AS1101 notify: lir [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2005-11-28T21:54:13Z last-modified: 2005-11-28T21:54:13Z 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: 145.216.0.0/15 descr: SURFnet CIDR Block III c origin: AS1101 notify: lir [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2005-11-28T21:54:13Z last-modified: 2005-11-28T21:54:13Z 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: 145.220.0.0/16 descr: SURFnet CIDR Block III d origin: AS1101 notify: lir [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2007-06-28T12:05:13Z last-modified: 2007-06-28T12:05:13Z 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: 185.100.59.0/24 descr: In use by public IRC server for the Eris Free Network origin: AS1101 mnt-by: AS1101-MNT created: 2016-09-16T20:58:32Z last-modified: 2016-09-16T20:58:32Z 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: 192.12.54.0/24 descr: IP-EEND-192-12-54 origin: AS1101 notify: Wim.Biemolt [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2005-04-11T11:48:01Z last-modified: 2005-04-11T11:48:01Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.16.200.0/24 descr: IP-EEND-IP origin: AS1101 mnt-by: AS1103-MNT created: 2008-02-12T11:17:19Z last-modified: 2008-02-12T11:17:19Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.42.116.0/22 descr: IP-EEND-IP origin: AS1101 mnt-by: AS1103-MNT created: 2007-12-19T21:20:53Z last-modified: 2007-12-19T21:20:53Z 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: 192.42.128.0/22 descr: IP-EEND-IP origin: AS1101 mnt-by: AS1103-MNT created: 2008-02-12T10:51:21Z last-modified: 2008-02-12T10:51:21Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.150.94.0/24 descr: IP-EEND-192-150-94 origin: AS1101 notify: Wim.Biemolt [at] surfnet.nl mnt-by: SN-LIR-MNT mnt-lower: SN-LIR-MNT created: 2005-04-11T11:48:00Z last-modified: 2005-04-11T11:48:00Z 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: 204.71.88.0/23 descr: Digital Design origin: AS1101 admin-c: PJT4-ARIN tech-c: PJT4-ARIN notify: pete.templin [at] texlink.com mnt-by: MAINT-TEXLINK changed: pete.templin [at] texlink.com 20090424 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:67c:6ec::/48 descr: AS1101 IPv6 block origin: AS1101 mnt-by: AS1101-MNT created: 2014-09-04T07:54:08Z last-modified: 2014-09-04T07:54:08Z 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 route6: 2001:67c:12d8::/48 descr: In use by public IRC server for the Eris Free Network origin: AS1101 mnt-by: AS1101-MNT created: 2016-09-15T20:47:41Z last-modified: 2016-09-15T20:47:41Z 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: valid