These entries are queried from radb.net using whois, you can try my project getting these.
:AS19443 route: 12.220.96.0/24 origin: AS19443 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20200811 #00:22:58Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.0.0/18 descr: RCN-STAPLES origin: AS19443 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20090312 #08:35:37Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.64.0/19 descr: SGNS USIN Block 170.37.64.0/19 origin: AS19443 notify: noc [at] sgns.net mnt-by: SGNS-MNT changed: noc [at] sgns.net 20040518 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.100.0/22 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.104.0/22 descr: Staples origin: AS19443 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20141112 source: RADB last-modified: 2023-11-13T15:46:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.104.0/23 descr: STAPLES origin: AS19443 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20141014 source: RADB last-modified: 2023-11-13T15:46:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.108.0/23 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.110.0/24 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.120.0/23 descr: CogecoPeer1 Proxy route Corporate Express Montreal origin: AS19443 mnt-by: MAINT-AS21548 changed: nikolai.chipovalov [at] cogecopeer1.com 20170331 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.120.0/23 descr: Corporate Express Canada Inc origin: AS19443 remarks: Proxy route entry added on behalf of remarks: Corporate Express Canada Inc mnt-by: MAINT-AS852 changed: sylvain.ruest [at] telus.com 20180904 source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.120.0/24 descr: Corporate Express Canada Inc origin: AS19443 remarks: Proxy route entry added on behalf of remarks: Corporate Express Canada Inc mnt-by: MAINT-AS852 changed: sylvain.ruest [at] telus.com 20180904 source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.120.0/24 descr: CogecoPeer1 Proxy route Corporate Express Montreal origin: AS19443 mnt-by: MAINT-AS21548 changed: nikolai.chipovalov [at] cogecopeer1.com 20170331 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.121.0/24 descr: CogecoPeer1 Proxy route Corporate Express Montreal origin: AS19443 mnt-by: MAINT-AS21548 changed: nikolai.chipovalov [at] cogecopeer1.com 20170331 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.121.0/24 descr: NET-170-37-0-0-1 origin: AS19443 remarks: Proxy route on behalf of Staples, Inc mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190120 source: RADB last-modified: 2023-11-13T15:55:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.128.0/21 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.144.0/22 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.148.0/23 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.150.0/24 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.199.0/24 descr: CogecoPeer1 Proxy route Corporate Express Montreal origin: AS19443 mnt-by: MAINT-AS21548 changed: nikolai.chipovalov [at] cogecopeer1.com 20170331 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.199.0/24 descr: NET-170-37-0-0-1 origin: AS19443 remarks: Proxy route on behalf of Staples, Inc mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20160629 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.223.0/24 descr: RCNMetro-Cust-Staples origin: AS19443 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20090625 #15:34:06Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.227.0/24 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.240.0/24 descr: RCNMetro-Cust-Staples origin: AS19443 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20090623 #10:21:36Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.241.0/24 descr: RCNMetro-Cust-Staples origin: AS19443 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20090623 #10:22:27Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.244.0/23 descr: Prolexic Technologies, Inc. origin: AS19443 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20200826 source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.37.246.0/24 descr: RCN-STAPLES origin: AS19443 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20090312 #08:34:08Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.5.88.0/24 origin: AS19443 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20200811 #00:22:58Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source