These entries are queried from radb.net using whois, you can try my project getting these.
:AS12148 route: 130.127.0.0/16 descr: Proxy-registered route object origin: AS12148 mnt-by: MAINT-AS3491 changed: jray [at] pccwglobal.com 20080322 #21:59:39(UTC) source: RADB last-modified: 2023-11-13T15:42:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.5.219.0/24 descr: Clemson colo net at SDSC origin: AS12148 member-of: RS-COMM_NSFNET mnt-by: MAINT-AS195 changed: hutton [at] sdslug.org 20160324 #19:00:58Z source: RADB last-modified: 2023-11-13T15:49:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.42.3.0/24 descr: Clemson DR Subnet origin: AS12148 notify: Prue [at] usc.edu notify: SandyG [at] usc.edu notify: ypyun [at] usc.edu mnt-by: MAINT-AS226 changed: Prue [at] usc.edu 20100826 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.21.128.0/17 origin: AS12148 descr: Clemson University admin-c: MILLE3158-ARIN tech-c: MILLE3158-ARIN mnt-by: MAINT-AS2722 changed: bkmille [at] clemson.edu 20200601 #06:07:01Z source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:103:a000::/44 descr: Clemson University origin: AS12148 mnt-by: MAINT-AS2637 changed: scott.friedrich [at] oit.gatech.edu 20180118 #17:35:20Z source: RADB last-modified: 2023-11-13T15:53:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source