These entries are queried from radb.net using whois, you can try my project getting these.
:AS399761 route: 12.35.211.0/24 descr: STREAM-ATT-2 origin: AS399761 notify: trendal.toews [at] streamitnet.com mnt-by: MAINT-AS399761 changed: trendal.toews [at] streamitnet.com 20221010 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.42.127.0/24 descr: STREAM-ATT-1 origin: AS399761 notify: trendal.toews [at] streamitnet.com mnt-by: MAINT-AS399761 changed: trendal.toews [at] streamitnet.com 20221010 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.117.172.0/22 origin: AS399761 descr: StreamIT-6 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-10-08T02:15:56Z last-modified: 2022-10-08T02:15:56Z source: ARIN rpki-ov-state: valid route: 74.117.172.0/24 origin: AS399761 descr: StreamIT-2 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-09-20T21:13:39Z last-modified: 2022-10-08T00:50:46Z source: ARIN rpki-ov-state: valid route: 74.117.173.0/24 origin: AS399761 descr: StreamIT-3 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-10-08T00:48:17Z last-modified: 2022-10-08T00:50:55Z source: ARIN rpki-ov-state: valid route: 74.117.174.0/24 origin: AS399761 descr: StreamIT-4 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-10-08T00:48:38Z last-modified: 2022-10-08T00:51:06Z source: ARIN rpki-ov-state: valid route: 74.117.175.0/24 origin: AS399761 descr: StreamIT-5 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-10-08T00:48:56Z last-modified: 2022-10-08T00:51:16Z source: ARIN rpki-ov-state: valid route6: 2602:fc63::/36 origin: AS399761 descr: StreamIT-1 admin-c: TOEWS7-ARIN tech-c: FRIES72-ARIN tech-c: TOEWS7-ARIN mnt-by: MNT-SINL-10 created: 2022-09-20T21:14:20Z last-modified: 2022-10-08T00:50:38Z source: ARIN rpki-ov-state: valid