These entries are queried from radb.net using whois, you can try my project getting these.
:AS12013 route: 131.91.0.0/16 descr: FAUNET origin: AS12013 remarks: Florida Atlantic University 777 Glades Road Boca Raton, Florida 33431 mnt-by: MAINT-AS12013 changed: wayne [at] fau.edu 19990602 changed: wayne [at] fau.edu 20081010 #13:35:15Z changed: wayne [at] fau.edu 20081010 #13:38:12Z changed: wayne [at] fau.edu 20081010 #13:52:30Z source: RADB last-modified: 2023-11-13T15:39:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.91.0.0/16 descr: Level3-FAU origin: AS12013 mnt-by: SEATAP-FAU-MNT changed: wayne [at] fau.edu 20030110 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.91.21.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.37.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.163.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.184.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.212.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.216.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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: 131.91.225.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS12013 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