These entries are queried from radb.net using whois, you can try my project getting these.
:AS27409 route: 64.203.138.64/29 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS27506 changed: slefevre [at] lightower.com 20170501 source: RADB last-modified: 2023-11-13T15:50:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.203.152.0/23 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS27409 remarks: Proxy add for EDIA customer Rockbridge Global Village mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150617 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.203.152.0/24 descr: proxy route for customer origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20150107 #13:36:43Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.203.153.0/24 descr: proxy route for customer origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20150107 #13:37:14Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.207.72.0/23 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS27409 remarks: Proxy add for EDIA customer Rockbridge Global Village mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150617 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.207.72.0/24 descr: proxy route for customer origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20150107 #13:38:06Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.207.73.0/24 descr: proxy route for customer origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20150107 #13:40:45Z source: RADB last-modified: 2023-11-13T15:47:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.207.74.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS27409 remarks: Proxy add for EDIA customer Rockbridge Global Village mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150617 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.104.0/21 descr: proxy route for customer origin: AS27409 mnt-by: MAINT-AS7795 changed: fahnere [at] lumosnet.com 20140402 #16:34:46Z 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: 199.244.104.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:21:31Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.105.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:22:12Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.106.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:23:01Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.107.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:23:40Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.108.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:24:16Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.109.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:24:50Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.110.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:25:21Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.244.111.0/24 descr: Rockbridge Global Village origin: AS27409 mnt-by: MAINT-AS7795 changed: fisherc [at] lumosnet.com 20140818 #19:25:48Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source