These entries are queried from radb.net using whois, you can try my project getting these.
:AS2 route: 1.1.2.0/24 descr: Proxy route object registered by AS2764 origin: AS2 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20131014 source: RADB last-modified: 2023-11-13T16:16:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.4.0.0/16 origin: AS2 descr: Proxy registration for the University of Delaware admin-c: William Owens tech-c: NYSERNet NOC remarks: This is a proxy registration by NYSERNet on behalf of one of our member campuses. For changes or removal, contact noc [at] nysernet.org notify: noc [at] nysernet.org notify: network-technical [at] udel.edu mnt-by: MAINT-AS3754 changed: owens [at] nysernet.org 20190725 #14:32:00Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source