These entries are queried from radb.net using whois, you can try my project getting these.
:AS30140 route: 38.97.120.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS30140 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: 38.97.121.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS30140 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: 38.113.23.0/24 descr: AS30140 proxy-registered route by Cogent origin: AS30140 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20040630 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.57.154.0/24 descr: Proxy-registered route object origin: AS30140 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 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 Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070728 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.57.154.0/24 origin: AS30140 descr: Customer Proxy - AS30140 Boston Properties mnt-by: MAINT-AS22925 changed: ssumrall [at] alliedtelecom.net 20200129 #16:57:50Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source