These entries are queried from radb.net using whois, you can try my project getting these.
:AS46506 route: 74.119.232.0/22 origin: AS46506 descr: Simple Helix 74.119.232.0/22 admin-c: NOC12406-ARIN tech-c: NOC12406-ARIN mnt-by: MAINT-AS46506 changed: jduncan [at] alchemy-global.net 20220215 #21:02:41Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.177.116.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.46.124.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.101.144.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.124.60.0/22 origin: AS46506 descr: Simple Helix 199.124.60.0/22 admin-c: NOC12406-ARIN tech-c: NOC12406-ARIN mnt-by: MAINT-AS46506 changed: jduncan [at] alchemy-global.net 20220215 #21:00:56Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.231.228.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.126.96.0/22 origin: AS46506 descr: Simple Helix 198.177.116.0/22 admin-c: NOC12406-ARIN tech-c: NOC12406-ARIN mnt-by: MAINT-AS46506 changed: jduncan [at] alchemy-global.net 20220215 #20:59:57Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.126.98.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.126.99.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46506 remarks: Proxy add for EDIA customer Simple Helix mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20170131 source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:211::/48 origin: AS46506 descr: NET-2001-470-211---48-AS46506 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-11-15T02:45:13Z last-modified: 2023-11-15T02:45:13Z rpki-ov-state: valid route6: 2604:ccc0::/32 origin: AS46506 descr: Simple Helix 2604:ccc0::/32 admin-c: NOC12406-ARIN tech-c: NOC12406-ARIN mnt-by: MAINT-AS46506 changed: jduncan [at] alchemy-global.net 20220215 #21:01:52Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source