These entries are queried from radb.net using whois, you can try my project getting these.
:AS13438 route: 64.59.192.0/19 descr: Spectrum Networks proxy registration origin: AS13438 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20120809 #22:57:54Z 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: 64.59.192.0/20 origin: AS13438 descr: Proxy registration for Viviotech mnt-by: MAINT-AS23265 changed: steve [at] pocketinet.net 20210312 #06:45:57Z source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.185.192.0/21 origin: AS13438 descr: Proxy registration for Viviotech mnt-by: MAINT-AS23265 changed: steve [at] pocketinet.net 20211220 #22:34:09Z source: RADB last-modified: 2023-11-13T16:09:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.114.204.0/22 descr: Spectrum Networks proxy registration origin: AS13438 mnt-by: MAINT-AS11404 changed: wolson [at] spectrumnet.us 20120530 #23:28:15Z 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: 104.232.42.0/24 origin: AS13438 descr: Viviotech customer mnt-by: MAINT-AS23265 changed: steve [at] pocketinet.net 20231228 # 0710Z source: RADB last-modified: 2023-12-28T07:10:45Z rpki-ov-state: valid route: 162.208.0.0/22 origin: AS13438 descr: Proxy registration fro Viviotech mnt-by: MAINT-AS23265 changed: steve [at] pocketinet.net 20210312 #06:50:36Z source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.217.168.0/22 descr: Spectrum Networks Proxy Registration origin: AS13438 mnt-by: MAINT-AS11404 changed: erica [at] spectrumnet.us 20130723 #19:12:25Z 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: 162.246.96.0/22 descr: Spectrum Networks Proxy Registration origin: AS13438 mnt-by: MAINT-AS11404 changed: cholzboog [at] spectrumnet.us 20140411 #20:10:25Z 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: 192.231.249.0/24 descr: Spectrum Proxy Resgistration origin: AS13438 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150821 #22:20:06Z 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: 199.73.56.0/22 descr: Proxy Registered Route Object for Vivio Technologies origin: AS13438 mnt-by: MAINT-AS11404 changed: scott [at] spectrumnet.us 20120107 #03:17:25Z 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: 199.115.216.0/21 descr: Spectrum Networks Proxy Registration origin: AS13438 mnt-by: MAINT-AS11404 changed: wolson [at] spectrumnet.us 20130812 #20:26:00Z 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: 204.48.54.0/23 descr: Spectrum Networks proxy registration origin: AS13438 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20150601 #22:21:00Z 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: 205.210.188.0/22 descr: Spectrum Networks Customer origin: AS13438 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20081229 #21:09:12Z 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: 208.77.208.0/22 descr: Viviotech (AS23265 customer) route origin: AS13438 mnt-by: MAINT-AS23265 changed: steve [at] pocketinet.com 20070508 #00:37:30(UTC) source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source