These entries are queried from radb.net using whois, you can try my project getting these.
:AS31763 route: 205.235.32.0/19 descr: Berks County Intermediate Unit origin: AS31763 mnt-by: CTI-MNT changed: ip-admin [at] comcastbusiness.net 20031229 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.32.0/19 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS31763 remarks: Proxy add for EDIA customer BERKS COUNTY INTERMEDIATE UNIT mnt-by: MAINT-AS7922 changed: scott_mccormick2 [at] cable.comcast.com 20150420 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: 205.235.33.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.34.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.38.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.40.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.42.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.45.0/24 descr: Zito Networks origin: AS31763 mnt-by: MAINT-AS26801 changed: skyler.blumer [at] zitomedia.com 20220330 source: RADB last-modified: 2023-11-13T16:10:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.46.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.47.0/24 descr: Frontier Communications (ARIN OrgID: FRTR) origin: AS31763 remarks: remarks: -- Operational Contacts -- remarks: Abuse / UCE: abuse [at] support.ftr.com remarks: NOC / Maint: support [at] support.ftr.com remarks: BGP Routing: bgp [at] support.ftr.com remarks: remarks: Proxy-registered route object remarks: for Frontier BGP customer remarks: mnt-by: MAINT-AS5650 changed: todd.caine [at] frontiercorp.com 20091117 source: RADB last-modified: 2024-02-15T15:38:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.48.0/23 descr: Berks County Intermediate Unit origin: AS31763 mnt-by: CTI-MNT changed: ip-admin [at] comcastbusiness.net 20031229 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.48.0/24 descr: Frontier Communications (ARIN OrgID: FRTR) origin: AS31763 remarks: remarks: -- Operational Contacts -- remarks: Abuse / UCE: abuse [at] support.ftr.com remarks: NOC / Maint: support [at] support.ftr.com remarks: BGP Routing: bgp [at] support.ftr.com remarks: remarks: Proxy-registered route object remarks: for Frontier BGP customer remarks: mnt-by: MAINT-AS5650 changed: todd.caine [at] frontiercorp.com 20091117 source: RADB last-modified: 2024-02-15T15:38:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.48.0/24 descr: Berks County Intermediate Unit origin: AS31763 mnt-by: CTI-MNT changed: ip-admin [at] comcastbusiness.net 20031229 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.49.0/24 descr: Berks County Intermediate Unit origin: AS31763 mnt-by: CTI-MNT changed: ip-admin [at] comcastbusiness.net 20031229 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.52.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.56.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.57.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.59.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.61.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.235.63.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS31763 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source