These entries are queried from radb.net using whois, you can try my project getting these.
:AS19755 route: 4.28.8.144/28 descr: Proxy-registered route object for customer GM origin: AS19755 mnt-by: LEVEL3-MNT changed: joshua.hayes [at] centurylink.com 20180627 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 4.28.8.144/32 descr: Proxy-registered route object for customer GM origin: AS19755 mnt-by: LEVEL3-MNT changed: joshua.hayes [at] centurylink.com 20180627 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 4.28.173.32/28 descr: Proxy-registered route object for customer GM origin: AS19755 mnt-by: LEVEL3-MNT changed: joseph.nieto [at] centurylink.com 20190304 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.177.102.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19755 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 128.177.102.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-12-06T00:02:31Z last-modified: 2022-12-06T00:02:31Z source: ARIN rpki-ov-state: valid route: 162.223.176.0/22 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:10:44Z last-modified: 2022-11-17T22:10:44Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.223.176.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:10:04Z last-modified: 2022-11-17T22:10:04Z source: ARIN rpki-ov-state: valid route: 162.223.177.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:14:39Z last-modified: 2022-11-17T22:14:39Z source: ARIN rpki-ov-state: valid route: 162.223.178.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:14:51Z last-modified: 2022-11-17T22:14:51Z source: ARIN rpki-ov-state: valid route: 162.223.179.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:15:05Z last-modified: 2022-11-17T22:15:05Z source: ARIN rpki-ov-state: valid route: 199.73.124.0/22 descr: GM Cruise, LLC descr: 1201 Bryant Street descr: San Francisco, CA 94103 descr: United States origin: AS19755 mnt-by: MNT-GCL-155 changed: neteng [at] getcruise.com 20190916 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.73.124.0/24 origin: AS19755 descr: Cruise LLC 333 Brannan St San Francisco CA 94107 admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T20:07:02Z last-modified: 2022-11-17T20:07:02Z source: ARIN rpki-ov-state: valid route: 199.73.125.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:13:42Z last-modified: 2022-11-17T22:13:42Z source: ARIN rpki-ov-state: valid route: 199.73.126.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:14:01Z last-modified: 2022-11-17T22:14:01Z source: ARIN rpki-ov-state: valid route: 199.73.127.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-11-17T22:14:16Z last-modified: 2022-11-17T22:14:16Z source: ARIN rpki-ov-state: valid route: 205.244.105.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.6.38.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.25.247.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.28.222.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.28.223.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.34.233.0/24 descr: EMBARQ DedIP origin: AS19755 mnt-by: EMBARQ-MNT changed: tom.mueller [at] embarq.com 20090212 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.184.11.0/24 origin: AS19755 descr: 333 Brannan St San Francisco CA 94107 United States admin-c: NETEN21-ARIN tech-c: NETEN21-ARIN mnt-by: MNT-GCL-155 created: 2022-06-24T23:10:55Z last-modified: 2022-06-24T23:10:55Z source: ARIN rpki-ov-state: valid route6: 2620:13a:5000::/44 descr: GM Cruise, LLC descr: 1201 Bryant Street descr: San Francisco, CA 94103 descr: United States origin: AS19755 mnt-by: MNT-GCL-155 changed: neteng [at] getcruise.com 20190830 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source