These entries are queried from radb.net using whois, you can try my project getting these.
:AS26935 route: 216.163.96.0/22 descr: Spectrum Proxy Registration origin: AS26935 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150917 #15:06:33Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.163.100.0/24 descr: Spectrum Proxy Registration origin: AS26935 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150917 #15:07:20Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.163.103.0/24 descr: Spectrum Proxy Registration origin: AS26935 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150917 #15:07:46Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.163.104.0/24 descr: Spectrum Proxy Registration origin: AS26935 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150917 #15:08:14Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source