These entries are queried from radb.net using whois, you can try my project getting these.
:AS13941 route: 67.133.56.0/22 descr: NW KMA origin: AS13941 mnt-by: MAINT-CHTR-WD changed: john.abeln [at] chartercom.com 20091012 #16:21:10Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.16.44.0/22 descr: Integra Telecom Route Object origin: AS13941 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: steven.raymond [at] integratelecom.com 20071016 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.16.44.0/24 descr: Spectrum Proxy Registration origin: AS13941 mnt-by: MAINT-AS11404 changed: bguzman [at] wavebroadband.com 20151030 #17:44:34Z 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: 208.74.128.0/22 descr: Integra Telecom Route Object origin: AS13941 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: steven.raymond [at] integratelecom.com 20071017 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.91.136.0/21 descr: Visp - Charter Customer - Sierra Nevada KMA origin: AS13941 mnt-by: MAINT-CHTR-WD changed: john.abeln [at] chartercom.com 20100210 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.161.68.0/24 descr: Proxy-registered route object origin: AS13941 remarks: remarks: Visp Technologies, Grants Pass, OR remarks: This route object is for a Charter Communications customer remarks: route which is being exported under this origin AS. remarks: notify: ipadmin [at] wd.charterpipeline.net mnt-by: MAINT-CHTR-WD changed: ipadmin [at] wd.charterpipeline.net 20080710 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.161.72.0/24 descr: Proxy-registered route object origin: AS13941 remarks: remarks: Visp Technologies, Grants Pass, OR remarks: This route object is for a Charter Communications customer remarks: route which is being exported under this origin AS. remarks: notify: ipadmin [at] wd.charterpipeline.net mnt-by: MAINT-CHTR-WD changed: ipadmin [at] wd.charterpipeline.net 20080710 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source