These entries are queried from radb.net using whois, you can try my project getting these.
:AS18675 route: 44.103.0.0/18 descr: RR-RC-VIRTUAL SYSTEMS-Great Lakes origin: AS18675 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20210922 source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.103.32.0/20 origin: AS18675 descr: Route for downstream customer Virtual Systems mnt-by: MAINT-AS26554 changed: toc [at] ussignal.com 20200429 #18:00:40Z source: RADB last-modified: 2023-11-13T16:00:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.103.32.0/22 descr: Route for downstream customer FNW origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140505 #20:52:31Z source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.103.37.0/24 descr: CHTR-VIRTUAL SYSTEMS-GreatLakes origin: AS18675 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20200626 #10:12:16Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.141.160.0/22 descr: PNAP-CHG origin: AS18675 mnt-by: MAINT-AS1828 changed: btolbert [at] internap.com 20090119 source: RADB last-modified: 2023-11-13T16:14:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.141.160.0/22 descr: US Signal Downstream Customer origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20090119 #20:20:38Z source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.20.0/22 descr: CHTR-VIRTUAL SYSTEMS-Great Lakes origin: AS18675 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: publicipaddressing [at] charter.com 20210517 #20:11:12Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.20.0/23 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.20.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.21.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.22.0/23 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.22.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.23.0/24 origin: AS18675 descr: Route for downstream charatcter mnt-by: MAINT-AS26554 changed: toc [at] ussignal.com 20210714 #08:14:39Z source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.50.0/23 descr: US Signal Downstream Customer origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20090119 #20:11:44Z source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.50.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.51.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.54.0/23 descr: US Signal Downstream Customer origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20090119 #20:12:04Z source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.54.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.55.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.56.0/23 descr: US Signal Downstream Customer origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20090119 #20:12:31Z source: RADB last-modified: 2023-11-13T15:39:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.56.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.204.57.0/24 descr: Verizon Internet Services origin: AS18675 notify: crs-crew [at] verizon.com mnt-by: MAINT-MCICS changed: crs-crew [at] verizon.com source: RADB last-modified: 2023-11-22T14:36:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 75.7.212.0/22 descr: PNAP-CHG ussignal origin: AS18675 mnt-by: MAINT-AS1828 changed: dmbogo [at] internap.com 20061016 source: RADB last-modified: 2023-11-13T16:13:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.128.192.0/20 descr: RR-RC-VIRTUAL SYSTEMS-Great Lakes origin: AS18675 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-RR changed: PublicIPAdressing [at] charter.com 20210922 source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.235.208.0/20 descr: Route for Down Stream Customer Your Internet origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20140713 #16:30:02Z source: RADB last-modified: 2023-11-13T15:46:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.174.240.0/20 descr: Route for Downstream Customer FNW origin: AS18675 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20131220 #03:32:33Z source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2606:f980::/32 descr: DNTCORE-15676 - Virtual Systems origin: AS18675 remarks: DNTCORE-15676 - Virtual Systems mnt-by: MAINT-CHTR-WD changed: patrick.lawless [at] charter.com 20160822 #14:37:15Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source