These entries are queried from radb.net using whois, you can try my project getting these.
:AS20289 route: 205.173.96.0/21 descr: Proxy Entry for ISG Technology origin: AS20289 mnt-by: MAINT-CHTR-WD changed: julius.olevsky [at] chartercom.com 20130109 #21:48:24Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.96.0/21 descr: ISG Technology DBA MidAmerica.Net origin: AS20289 remarks: Object registered by New edge for Transit notify: bgpadmin [at] newedgenetworks.com mnt-by: NEWEDGENETS-MNT changed: bgpadmin [at] newedgenetworks.com 20081028 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.96.0/24 origin: AS20289 descr: ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220208 #04:04:59Z source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.97.0/24 origin: AS20289 descr: ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220208 #04:05:23Z source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.98.0/24 origin: AS20289 descr: ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220208 #04:05:47Z source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.99.0/24 origin: AS20289 descr: Proxy for ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20230620 #17:38:44Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.100.0/24 origin: AS20289 descr: ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220208 #04:04:01Z source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.101.0/24 origin: AS20289 descr: ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220208 #04:04:26Z source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.103.0/24 origin: AS20289 descr: Proxy for ISG Technology mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20230620 #17:37:50Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.31.96.0/23 descr: Integrated Solutions Group - Columbia origin: AS20289 remarks: Object registered by New edge for Transit notify: bgpadmin [at] newedgenetworks.com mnt-by: NEWEDGENETS-MNT changed: bgpadmin [at] newedgenetworks.com 20080130 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.1.224.0/22 descr: Integrated Solutions Group - Columbia origin: AS20289 remarks: Object registered by New edge for Transit notify: bgpadmin [at] newedgenetworks.com mnt-by: NEWEDGENETS-MNT changed: bgpadmin [at] newedgenetworks.com 20080130 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source