These entries are queried from radb.net using whois, you can try my project getting these.
:AS26764 route: 170.178.132.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS26764 remarks: Proxy add for EDIA customer Robert Wood Johnson Foundation mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20180924 source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.178.132.0/23 descr: Robert Wood Johnson Foundation origin: AS26764 mnt-by: MAINT-AS17378 changed: rczumbil [at] dbsintl.com 20150414 #20:55:35Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.178.132.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS26764 remarks: Proxy add for EDIA customer Robert Wood Johnson Foundation mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150625 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: 170.178.133.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS26764 remarks: Proxy add for EDIA customer Robert Wood Johnson Foundation mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150625 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: 170.178.134.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS26764 remarks: Proxy add for EDIA customer Robert Wood Johnson Foundation mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150625 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: 170.178.135.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS26764 remarks: Proxy add for EDIA customer Robert Wood Johnson Foundation mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150625 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source