These entries are queried from radb.net using whois, you can try my project getting these.
:AS40464 route: 50.59.213.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 origin: AS40464 remarks: Proxy add for EDIA customer Eclipse Networks mnt-by: MAINT-AS7922 changed: michael_erickson2 [at] cable.comcast.com 20210716 source: RADB last-modified: 2023-11-13T16:07:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 135.84.48.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS40464 remarks: Proxy add for EDIA customer Eclipse Networks mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20161123 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 135.84.51.0/24 origin: AS40464 descr: ERC Broadband - Customer Proxy Entry - Eclipse Networks member-of: RS-ERC-CUSTOMER-ROUTES remarks: ERC Broadband, LLC notify: cmccurry [at] ercwnc.org mnt-by: MAINT-AS27446 changed: cmccurry [at] ercbroadband.com 20211019 #15:03:10Z source: RADB last-modified: 2023-11-13T16:08:33Z rpki-ov-state: valid route6: 2607:6700::/32 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS40464 remarks: Proxy add for customer Eclipse Networks mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20160111 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: valid