These entries are queried from radb.net using whois, you can try my project getting these.
:AS62705 route: 205.174.112.0/20 origin: AS62705 descr: Customer Proxy - Spotsylvania County School Board AS62705 mnt-by: MAINT-AS22925 changed: ssumrall [at] alliedtelecom.net 20200129 #17:09:19Z source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.174.112.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.114.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.115.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.116.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.117.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.118.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.119.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.120.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.121.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.122.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.123.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.124.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.125.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.126.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 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: 205.174.127.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62705 remarks: Proxy add for customer Spotsylvania County School District mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130909 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source