These entries are queried from radb.net using whois, you can try my project getting these.
:AS20464 route: 140.242.0.0/16 descr: Polycom,Inc. admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS20464 mnt-by: MASERGY-MNT changed: tommy.um [at] masergy.com 20210224 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.3.0/24 descr: Registered by Singtel (Singnet OnNet) on behalf of POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 mnt-by: MAINT-AS7473 changed: leonkoh [at] singtel.com 20170526 #10:07:40Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.5.0/24 descr: PCCW (Customer Route) origin: AS20464 mnt-by: MAINT-AS4515 changed: chi-fai.law [at] pccw.com 20140813 source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.6.0/24 descr: PCCW (Customer Route) origin: AS20464 mnt-by: MAINT-AS4515 changed: chi-fai.law [at] pccw.com 20140813 source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.7.0/24 descr: PCCW (Customer Route) origin: AS20464 mnt-by: MAINT-AS4515 changed: chi-fai.law [at] pccw.com 20140813 source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.9.0/24 descr: PCCW (Customer Route) origin: AS20464 mnt-by: MAINT-AS4515 changed: chi-fai.law [at] pccw.com 20140918 source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.64.0/24 origin: AS20464 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 remarks: Customer Plantronics mnt-by: MAINT-AS7922 changed: wyatt_clarke [at] cable.comcast.com 20200925 #22:38:31Z source: RADB last-modified: 2023-11-13T16:01:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.209.0/24 descr: Registered by Singtel (Singnet OnNet) on behalf of POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 mnt-by: MAINT-AS7473 changed: leonkoh [at] singtel.com 20170111 #02:44:29Z source: RADB last-modified: 2023-11-13T15:50:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.214.0/24 descr: Registered by Singtel (Singnet OnNet) on behalf of POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 mnt-by: MAINT-AS7473 changed: leonkoh [at] singtel.com 20170111 #02:45:11Z source: RADB last-modified: 2023-11-13T15:50:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.214.0/24 descr: POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXSGW changed: toh [at] ap.equinix.com 20211108 source: NTTCOM last-modified: 2021-11-07T19:58:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.215.0/24 descr: Registered by Singtel (Singnet OnNet) on behalf of POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 mnt-by: MAINT-AS7473 changed: leonkoh [at] singtel.com 20170111 #02:45:38Z source: RADB last-modified: 2023-11-13T15:50:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.215.0/24 descr: POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXSGW changed: toh [at] ap.equinix.com 20211108 source: NTTCOM last-modified: 2021-11-07T19:58:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.216.0/24 descr: POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXSGW changed: toh [at] ap.equinix.com 20211108 source: NTTCOM last-modified: 2021-11-07T19:58:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.242.217.0/24 descr: POLYCOM ASIA PACIFIC PTE LTD origin: AS20464 notify: ap-noc [at] ap.equinix.com mnt-by: MAINT-EQUINIXSGW changed: toh [at] ap.equinix.com 20211108 source: NTTCOM last-modified: 2021-11-07T19:58:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source