These entries are queried from radb.net using whois, you can try my project getting these.
:AS393513 route: 192.147.44.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS393513 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.33.119.0/24 descr: Proxy-registered route object origin: AS393513 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20201102 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:113:e000::/44 descr: Synaptics Incorporated descr: 1251 McKay Drive descr: San Jose, CA descr: AS origin: AS393513 member-of: rs-synapt mnt-by: MNT-SYNAPT changed: netadmin [at] synaptics.com 20140717 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source