These entries are queried from radb.net using whois, you can try my project getting these.
:AS328306 route: 41.138.245.0/24 origin: AS328306 descr: InterSAT mnt-by: INTERSAT-MNT changed: *** [at] intersat.ae 20240321 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.138.246.0/24 origin: AS328306 descr: InterSAT mnt-by: INTERSAT-MNT changed: *** [at] intersat.ae 20240321 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.198.97.0/24 origin: AS328306 descr: Avanti Migration Range mnt-by: AOOL1-MNT changed: *** [at] echotel.international 20240417 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.198.240.0/20 descr: IwayAfrica-H4-1st origin: AS328306 changed: *** [at] iwayafrica.net 20181205 changed: *** [at] iwayafrica.net 20181213 source: AFRINIC mnt-by: AOOL1-MNT mnt-lower: AOOL1-MNT changed: *** [at] afrinic.net 20210831 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.198.240.0/22 descr: IWAY-Africa-H4 origin: AS328306 changed: *** [at] avantiplc.com 20190108 source: AFRINIC mnt-by: AOOL1-MNT mnt-lower: AOOL1-MNT changed: *** [at] afrinic.net 20210831 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.198.244.0/22 descr: IWAY-Africa-H4 origin: AS328306 changed: *** [at] avantiplc.com 20190108 source: AFRINIC mnt-by: AOOL1-MNT mnt-lower: AOOL1-MNT changed: *** [at] afrinic.net 20210831 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.140.0.0/18 descr: Avanti Communications South Africa (Pty) Ltd origin: AS328306 mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20180531 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.140.48.0/20 descr: Avanti Communications South Africa (Pty) Ltd origin: AS328306 mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20180917 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.176.184.0/22 descr: Avanti Communications South Africa (Pty) Ltd origin: AS328306 mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20180417 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.176.185.0/24 origin: AS328306 descr: Avanti Communications South Africa (Pty) Ltd mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20200612 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eea8::/32 origin: AS328306 descr: Avanti Communications South Africa (Pty) Ltd mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20200612 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eea8:8000::/36 origin: AS328306 descr: Avanti Communications South Africa (Pty) Ltd mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20200612 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:eea8:9000::/36 origin: AS328306 descr: Avanti Communications South Africa (Pty) Ltd mnt-by: ACSA1-MNT changed: *** [at] avantiplc.com 20200612 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source