These entries are queried from radb.net using whois, you can try my project getting these.
:AS63913 route: 146.88.144.0/23 descr: IM-AU origin: AS63913 mnt-by: MAINT-IMPL-AU last-modified: 2015-04-09T14:40:34Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.144.0/24 descr: INGRAM MICRO origin: AS63913 notify: net-support [at] ap.equinix.com notify: Servicedesk [at] equinix.com mnt-by: MAINT-EQUINIXPAC changed: mvillalobos [at] ap.equinix.com 20141223 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.144.0/24 descr: IM-AU origin: AS63913 mnt-by: MAINT-IMPL-AU last-modified: 2015-04-09T14:41:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.145.0/24 descr: INGRAM MICRO origin: AS63913 notify: net-support [at] ap.equinix.com notify: Servicedesk [at] equinix.com mnt-by: MAINT-EQUINIXPAC changed: mvillalobos [at] ap.equinix.com 20141223 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.145.0/24 descr: Proxy route object registered by AS38195 origin: AS63913 remarks: This route object was created by Superloop on behalf of a customer. notify: peering [at] superloop.com mnt-by: MAINT-AS38195 changed: peering [at] superloop.com 20190711 source: RADB last-modified: 2023-11-13T16:18:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.145.0/24 descr: IM-AU origin: AS63913 mnt-by: MAINT-IMPL-AU last-modified: 2015-04-09T14:41:39Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source