These entries are queried from radb.net using whois, you can try my project getting these.
:AS33588 route: 24.72.192.0/20 descr: Route for Bresnan USA Digital origin: AS33588 mnt-by: BRS-MNT changed: jgreenwood [at] bresnan.com 20100526 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.72.200.0/22 descr: Route for Bresnan USA Digital origin: AS33588 mnt-by: BRS-MNT changed: jgreenwood [at] bresnan.com 20100526 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.223.100.0/22 descr: Bresnan Route for CABLE MONTANA origin: AS33588 mnt-by: BRS-MNT changed: lgodfrey [at] bresnan.com 20100607 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 35.133.0.0/18 descr: Proxy Add For Charter Mountain States origin: AS33588 mnt-by: MAINT-CHTR-WD changed: rob.beauvais [at] charter.com 20171208 #20:16:00Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 35.134.192.0/18 descr: Entry for Enterprise Customer origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180409 source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 35.150.64.0/18 descr: CHTR-MAPT-Backbone origin: AS33588 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210721 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route: 35.151.208.0/20 descr: CHTR-MAPT-Backbone origin: AS33588 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210721 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route: 47.28.192.0/18 descr: Charter Network Technology Operations origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180514 #13:33:14Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 47.47.128.0/18 descr: Entry for Mountain State RIP networks origin: AS33588 mnt-by: MAINT-CHTR-WD changed: jugraj.singh [at] charter.com 20180212 #19:35:13Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route: 47.231.228.0/22 descr: CHTR-MAPT-Backbone origin: AS33588 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210721 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route: 64.207.112.0/20 descr: Route for Bresnan Wyoming Supreme Court origin: AS33588 mnt-by: BRS-MNT changed: jgreenwood [at] bresnan.com 20100526 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.144.0.0/15 descr: Bresnan-2-Agg-Block origin: AS33588 mnt-by: BRS-MNT changed: jgreenwood [at] bresnan.com 20100526 source: LEVEL3 rpki-ov-state: valid route: 69.145.0.0/20 descr: Proxy-registered route object origin: AS33588 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20060525 source: LEVEL3 rpki-ov-state: valid route: 69.145.0.0/20 origin: AS33588 descr: Charter Residential DHCP admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-11-06T22:41:30Z last-modified: 2023-11-06T22:41:30Z source: ARIN rpki-ov-state: valid route: 69.146.0.0/16 origin: AS33588 descr: CC-ROUTE admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-08-16T14:21:48Z last-modified: 2023-08-16T15:05:44Z source: ARIN rpki-ov-state: valid route: 72.174.0.0/15 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20231010 source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: valid route: 72.174.0.0/15 origin: AS33588 descr: CC-ROUTE admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-08-16T15:03:12Z last-modified: 2023-08-16T15:06:27Z source: ARIN rpki-ov-state: valid route: 76.58.56.0/23 descr: CHTR-C3-Mountain origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20230106 source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: valid route: 98.127.0.0/16 origin: AS33588 descr: CC-ROUTE admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-08-16T15:04:06Z last-modified: 2023-08-16T15:05:18Z source: ARIN rpki-ov-state: valid route: 98.127.0.0/16 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20231010 source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: valid route: 173.40.192.0/20 descr: CHTR-MAPT origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com source: RADB last-modified: 2023-12-14T00:15:11Z rpki-ov-state: valid route: 174.45.0.0/16 origin: AS33588 descr: CC-ROUTE admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-08-16T15:07:12Z last-modified: 2023-08-16T15:07:12Z source: ARIN rpki-ov-state: valid route: 174.45.0.0/16 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20231010 source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: valid route: 184.166.0.0/15 origin: AS33588 descr: CC-ROUTE admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN mnt-by: MNT-CC04 created: 2023-08-16T15:07:46Z last-modified: 2023-08-16T15:07:46Z source: ARIN rpki-ov-state: valid route: 184.166.0.0/15 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20231010 source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: valid route: 192.61.208.0/21 descr: CHTR-Map-T-MTN origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20211209 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route: 192.61.246.0/23 descr: CHTR-Map-T-MTN origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20211209 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route: 192.61.255.0/24 descr: CHTR-Map-T-MTN origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20211209 source: RADB last-modified: 2023-11-13T16:11:27Z rpki-ov-state: valid route6: 2600:6c66::/32 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180614 source: RADb last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route6: 2600:6c67::/32 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180917 #18:55:06Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid route6: 2602:107:4a00::/40 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20230823 source: RADB last-modified: 2023-11-13T16:18:17Z rpki-ov-state: valid route6: 2602:107:4a20::/44 origin: AS33588 mnt-by: MAINT-CHTR-WD descr: CHTR-INFRASTRUCTURE-MTN admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN changed: PublicIPAdressing [at] charter.com 20230821 source: RADB last-modified: 2023-11-13T16:18:17Z rpki-ov-state: valid route6: 2602:107:e7a0::/43 descr: CHTR-C3-Mountain origin: AS33588 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com 20230106 source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: valid route6: 2602:10e:16::/48 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180614 source: RADb last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:10e:17::/48 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180614 source: RADb last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:10e:18::/48 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: alec.ritter [at] charter.com 20180614 source: RADb last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:10f::/32 descr: Entry for Charter NTO origin: AS33588 mnt-by: MAINT-CHTR-WD changed: nicholas.etnoyer [at] charter.com 20180917 #18:56:18Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: valid