These entries are queried from radb.net using whois, you can try my project getting these.
:AS9823 route: 159.182.49.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.52.0/23 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.52.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.53.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200629 last-modified: 2023-11-13T16:01:09Z rpki-ov-state: valid route: 159.182.60.0/22 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.60.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200622 last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 159.182.61.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200622 last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 159.182.62.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200622 last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 159.182.63.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200622 last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 159.182.64.0/22 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: SG mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.64.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: SG mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 159.182.67.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: SG mnt-by: MAINT-AS11892 changed: greg.wight [at] pearson.com 20160706 #13:58:47Z source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: valid route: 168.146.98.0/23 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 changed: greg.wight [at] pearson.com 20160331 #23:10:41Z source: RADB last-modified: 2023-11-13T15:49:06Z rpki-ov-state: valid route: 168.146.98.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 168.146.99.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: valid route: 168.146.111.0/24 origin: AS9823 descr: Pearson Group admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: SG mnt-by: MAINT-AS11892 changed: greg.wight [at] pearson.com 20230202 #15:30:20Z source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: valid route: 168.146.112.0/24 origin: AS9823 descr: Pearson Group admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: SG changed: greg.wight [at] pearson.com 20210421 source: RADB mnt-by: MAINT-AS11892 last-modified: 2023-11-13T16:05:30Z rpki-ov-state: valid route: 202.91.224.0/19 descr: QOS Networks origin: AS9823 mnt-by: AS18732-MNT changed: bwilliams [at] qosnetworks.net 20010804 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.91.224.0/19 descr: AS9381/New T&T HK Ltd origin: AS9823 remarks: Transit via AS9381 notify: bind-admin [at] newtthk.com mnt-by: MAINT-AS9381 changed: bind-admin [at] newtthk.com 20020618 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.96.0/22 origin: AS9823 descr: Pearson Australia Group Pty Ltd 707 Collins Street mnt-by: MAINT-AU-PEARSONAUSGROUP last-modified: 2020-08-10T10:30:55Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.96.0/22 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.96.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.97.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.98.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.19.99.0/24 descr: Pearson Group origin: AS9823 admin-c: PDCNE-ARIN tech-c: PDCNE-ARIN geoidx: AU mnt-by: MAINT-AS11892 source: RADB changed: greg.wight [at] pearson.com 20200615 last-modified: 2023-11-13T16:00:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source