These entries are queried from radb.net using whois, you can try my project getting these.
:AS56265 route: 103.3.236.0/23 descr: TRANSURBAN HOLDINGS LIMITED origin: AS56265 mnt-by: MAINT-AS7474 changed: noc [at] optus.net.au 20130214 source: RADB last-modified: 2023-11-13T16:05:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.3.236.0/24 descr: Transurban-AUS-VIC origin: AS56265 country: AU mnt-lower: MAINT-TRANSURBAN-AU mnt-routes: MAINT-TRANSURBAN-AU mnt-by: MAINT-TRANSURBAN-AU last-modified: 2013-05-16T08:04:50Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.3.237.0/24 descr: Transurban-AUS-NSW origin: AS56265 country: AU mnt-lower: MAINT-TRANSURBAN-AU mnt-routes: MAINT-TRANSURBAN-AU mnt-by: MAINT-TRANSURBAN-AU last-modified: 2013-05-16T08:05:44Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.3.238.0/23 origin: AS56265 descr: MRFD remarks: Proxy object for AS56265 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.3.238.0/24 descr: Transurban-US-HOTOC origin: AS56265 country: US mnt-lower: MAINT-TRANSURBAN-AU mnt-routes: MAINT-TRANSURBAN-AU mnt-by: MAINT-TRANSURBAN-AU last-modified: 2011-11-03T23:42:00Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.3.239.0/24 descr: Transurban-US-TS08 origin: AS56265 country: US mnt-lower: MAINT-TRANSURBAN-AU mnt-routes: MAINT-TRANSURBAN-AU mnt-by: MAINT-TRANSURBAN-AU last-modified: 2011-11-06T23:37:50Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source