These entries are queried from radb.net using whois, you can try my project getting these.
:AS32372 route: 64.15.16.0/20 descr: Proxy Registration for Portfolio Recovery Assoicates, LLC remarks: Proxy Registered by ServerCentral origin: AS32372 mnt-by: MAINT-SERVERCENTRAL changed: ipeng [at] servercentral.net 20160418 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.17.0/24 origin: AS32372 descr: VBCH #ECR000001350769 remarks: Proxy object for AS32372 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.22.0/24 origin: AS32372 descr: Proxy added on behalf of customer notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2145Z source: RADB last-modified: 2024-01-31T21:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.24.0/24 origin: AS32372 descr: PRA group authorized Equinix to be RADB proxy. remarks: Equinix Connect. LOA on file notify: noc [at] equinix.com mnt-by: MAINT-AS14609 changed: skakade [at] equinix.com 20210302 #21:19:47Z source: RADB last-modified: 2023-11-13T16:03:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.28.0/22 descr: Proxy Registration for Portfolio Recovery Assoicates, LLC remarks: Proxy Registered by ServerCentral origin: AS32372 mnt-by: MAINT-SERVERCENTRAL changed: neteng [at] servercentral.com 20151218 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.28.0/23 origin: AS32372 descr: Proxy added on behalf of customer, LOA on file notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2134Z source: RADB last-modified: 2024-01-31T21:34:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.28.0/24 origin: AS32372 descr: Proxy added on behalf of customer notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2137Z source: RADB last-modified: 2024-01-31T21:37:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.29.0/24 origin: AS32372 descr: Proxy added on behalf of customer notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2138Z source: RADB last-modified: 2024-01-31T21:38:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.30.0/23 origin: AS32372 descr: Proxy added on behalf of customer notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2136Z source: RADB last-modified: 2024-01-31T21:36:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.30.0/24 origin: AS32372 descr: Proxy added on behalf of customer. notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2139Z source: RADB last-modified: 2024-01-31T21:39:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.15.31.0/24 origin: AS32372 descr: Proxy added on behalf of customer. notify: smc_amer [at] equinix.com mnt-by: MAINT-AS14609 changed: nbabar [at] equinix.com 20240131 # 2140Z source: RADB last-modified: 2024-01-31T21:40:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source