These entries are queried from radb.net using whois, you can try my project getting these.
:AS30220 route: 66.172.160.0/19 descr: SWWC - MN KMA origin: AS30220 mnt-by: MAINT-CHTR-WD changed: john.abeln [at] chartercom.com 20091028 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.173.0/24 descr: Proxy-registered route object origin: AS30220 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070216 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.173.0/24 descr: SWWC Service Cooperatives origin: AS30220 remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: mnt-by: MAINT-AS19151 changed: ipadmin [at] bboi.net 20080402 source: BBOI rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.180.0/22 descr: SWWC Service Cooperatives origin: AS30220 remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: mnt-by: MAINT-AS19151 changed: ipadmin [at] bboi.net 20080402 source: BBOI rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.180.0/22 descr: Proxy-registered route object origin: AS30220 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070109 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.184.0/21 descr: Proxy-registered route object origin: AS30220 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070109 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.172.184.0/21 descr: SWWC Service Cooperatives origin: AS30220 remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: mnt-by: MAINT-AS19151 changed: ipadmin [at] bboi.net 20080402 source: BBOI rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source