These entries are queried from radb.net using whois, you can try my project getting these.
:AS21558 route: 152.72.0.0/16 descr: RR-RC-SC Johnson Wax Inc-Milwaukee origin: AS21558 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.71.0/24 descr: RR-RC-SC Johnson Wax Inc-Milwaukee origin: AS21558 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.80.0/23 descr: ARCSTAR Alliance origin: AS21558 remarks: IP Transit Client notify: NAS1-n4i [at] pldt.com.ph notify: NetRes_Core [at] pldt.com.ph mnt-by: MAINT-PLDT changed: sssaliendra [at] pldt.com.ph 20111208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.80.0/24 descr: ARCSTAR Alliance origin: AS21558 remarks: IP Transit Client notify: transurv-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: cemanalang [at] pldt.com.ph 20180307 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.81.0/24 descr: ARCSTAR Alliance origin: AS21558 remarks: IP Transit Client notify: transurv-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: cemanalang [at] pldt.com.ph 20180307 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.94.0/24 descr: VERIZON HONGKONG LTD origin: AS21558 remarks: IP Transit Client notify: transurv-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: cemanalang [at] pldt.com.ph 20171201 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.128.0/20 descr: Proxy-registered route object origin: AS21558 mnt-by: MAINT-AS7132 changed: peering [at] intl.att.com 20190903 source: RADB last-modified: 2023-11-13T15:57:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.130.0/24 descr: Proxy-registered route object origin: AS21558 mnt-by: MAINT-AS7132 changed: peering [at] intl.att.com 20190903 source: RADB last-modified: 2023-11-13T15:57:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.132.0/24 descr: Proxy-registered route object origin: AS21558 mnt-by: MAINT-AS7132 changed: peering [at] intl.att.com 20190903 source: RADB last-modified: 2023-11-13T15:57:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.148.0/24 descr: RR-RC-SC Johnson Wax Inc-Milwaukee origin: AS21558 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.149.0/24 descr: RR-RC-SC Johnson Wax Inc-Milwaukee origin: AS21558 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 152.72.151.0/24 descr: RR-RC-SC Johnson Wax Inc-Milwaukee origin: AS21558 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source