These entries are queried from radb.net using whois, you can try my project getting these.
:AS40154 route: 66.162.56.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospam.cable.comcast.com 20160829 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: 74.117.32.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospam.cable.comcast.com 20160829 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: 204.16.164.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospam.cable.comcast.com 20160829 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: 204.16.164.0/24 descr: MEDNAX Services, Inc. origin: AS40154 mnt-by: MAINT-AS27506 changed: michael.dimambro [at] crowncastle.com 20200207 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.16.165.0/24 descr: MEDNAX Services, Inc. origin: AS40154 mnt-by: MAINT-AS27506 changed: michael.dimambro [at] crowncastle.com 20200207 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.16.167.0/24 descr: MEDNAX Services, Inc. origin: AS40154 mnt-by: MAINT-AS27506 changed: michael.dimambro [at] crowncastle.com 20200207 source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.250.202.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospam.cable.comcast.com 20160829 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: 208.50.249.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospam.cable.comcast.com 20160829 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: 209.180.24.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40154 remarks: Proxy for EDI cust mnt-by: MAINT-AS7922 changed: courtney_smith [at] cable.comcast.com 20160825 #21:48:51Z source: RADB last-modified: 2023-11-13T15:54:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source