These entries are queried from radb.net using whois, you can try my project getting these.
:AS40121 route: 142.202.108.0/22 origin: AS40121 mnt-by: MNT-MAXWI descr: 307 E Chestnut Fairbury IL 61739 United States tech-c: NETWO1200-ARIN admin-c: NETWO1200-ARIN source: ARIN created: 2020-09-02T15:01:54Z last-modified: 2020-09-02T15:01:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.202.108.0/22 origin: AS40121 descr: MAXWIRE, INC. mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20200214 #17:44:35Z source: RADB last-modified: 2023-11-13T15:59:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.202.109.0/24 origin: AS40121 mnt-by: MNT-MAXWI descr: 307 E Chestnut Fairbury IL 61739 United States tech-c: NETWO1200-ARIN admin-c: NETWO1200-ARIN source: ARIN created: 2020-09-02T18:10:22Z last-modified: 2020-09-02T18:10:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.73.228.0/22 origin: AS40121 descr: MAXWIRE, INC. mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20191008 #18:06:22Z source: RADB last-modified: 2023-11-13T15:58:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.73.228.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS40121 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: 208.73.229.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS40121 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: 208.73.230.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS40121 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: 208.73.231.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS40121 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