These entries are queried from radb.net using whois, you can try my project getting these.
:AS18934 route: 12.52.182.0/24 origin: AS18934 descr: Proxy for SMITH-AND-HAMMAKER mnt-by: MAINT-AS11758 changed: echampion [at] irisnetworksusa.com 20220729 #16:03:07Z source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 75.76.236.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS18934 remarks: Proxy add for EDIA customer Smith and Hammaker mnt-by: MAINT-AS7922 changed: jeffrey_mitten2 [at] cable.comcast.com 20160615 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: 142.202.68.0/24 descr: SHDT-FORT-68 descr: 550 Fort Summit Way descr: Knoxville, Tennessee 37915 descr: US origin: AS18934 mnt-by: MNT-SDL-125 changed: dstilwill [at] shdatacenters.com 20200210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.202.69.0/24 descr: SHDT-FORT-68 descr: 550 Fort Summit Way descr: Knoxville, Tennessee 37915 descr: US origin: AS18934 mnt-by: MNT-SDL-125 changed: dstilwill [at] shdatacenters.com 20200210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.202.70.0/24 descr: SHDT-FORT-68 descr: 550 Fort Summit Way descr: Knoxville, Tennessee 37915 descr: US origin: AS18934 mnt-by: MNT-SDL-125 changed: dstilwill [at] shdatacenters.com 20200210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.202.71.0/24 descr: SHDT-FORT-68 descr: 550 Fort Summit Way descr: Knoxville, Tennessee 37915 descr: US origin: AS18934 mnt-by: MNT-SDL-125 changed: dstilwill [at] shdatacenters.com 20200210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.208.104.0/22 descr: proxy registration for smith and hammaker: ARIN handle - SHORM origin: AS18934 mnt-by: MAINT-AS16724 changed: eric.bailey [at] wideopenwest.com 20130508 #15:24:57Z source: RADB last-modified: 2023-12-11T16:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.208.104.0/24 descr: proxy registration for smith and hammaker origin: AS18934 mnt-by: MAINT-AS16724 changed: eric.bailey [at] wideopenwest.com 20130509 #13:27:49Z source: RADB last-modified: 2023-12-11T16:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.208.105.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS18934 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: 162.208.106.0/24 descr: proxy registration for smith and hammaker origin: AS18934 mnt-by: MAINT-AS16724 changed: eric.bailey [at] wideopenwest.com 20130509 #13:29:29Z source: RADB last-modified: 2023-12-11T16:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.208.107.0/24 descr: RR-RC-SH Data Technologies-Southeast origin: AS18934 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190314 #22:15:28Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.41.228.0/24 origin: AS18934 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 remarks: Proxy add for EDIA customer mnt-by: MAINT-AS7922 changed: jeffrey_mitten2 [at] cable.comcast.com 20211013 #16:27:17Z source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.189.255.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS18934 remarks: Proxy add for EDIA customer Smith and Hammaker mnt-by: MAINT-AS7922 changed: jeffrey_mitten2 [at] cable.comcast.com 20160615 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: 198.140.116.0/22 descr: proxy registration for smith and hammaker: ARIN handle - SHORM to announce AS55121 INTER-744 space origin: AS18934 mnt-by: MAINT-AS16724 changed: eric.bailey [at] wideopenwest.com 20130508 #15:31:37Z source: RADB last-modified: 2023-12-11T16:00:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:9a40:69::/48 origin: AS18934 descr: Prime Blockchain admin-c: DST146-ARIN tech-c: DST146-ARIN mnt-by: MNT-SDL-125 created: 2023-09-19T15:21:14Z last-modified: 2023-09-19T15:21:14Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:9a40:6a::/48 origin: AS18934 descr: TurboScale-Colo admin-c: DST146-ARIN tech-c: DST146-ARIN mnt-by: MNT-SDL-125 created: 2024-02-02T12:15:55Z last-modified: 2024-02-02T12:15:55Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:131:c008::/48 origin: AS18934 descr: Proxy add for Ten hats mnt-by: MAINT-AS11758 changed: cradeck [at] irisnetworksusa.com 20231116 # 1820Z source: RADB last-modified: 2023-11-16T18:20:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source