These entries are queried from radb.net using whois, you can try my project getting these.
:AS721 route: 130.16.0.0/16 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: farmerr [at] scott.disa.mil 20050131 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 130.16.0.0/17 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: farmerr [at] scott.disa.mil 20050131 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 130.16.128.0/17 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: farmerr [at] scott.disa.mil 20050131 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 134.205.0.0/16 descr: Creating route for DITCO DISA origin: AS721 mnt-by: MAINT-PENT721 changed: rshibata [at] level3.net 20020919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.80.0/20 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.82.0/23 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.96.0/19 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.105.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.110.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.145.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.153.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.160.0/21 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.185.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.186.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.192.0/22 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.196.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.199.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.200.0/21 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 140.185.238.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.69.105.0/24 descr: Proxy-registered route object origin: AS721 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 20040630 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.26.74.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: jcassell [at] crcc.disa.mil 20020919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.49.187.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.250.64.0/19 descr: Creating route for DITCO DISA origin: AS721 mnt-by: MAINT-PENT721 changed: rshibata [at] level3.net 20020919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.114.32.0/20 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.114.55.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.114.62.0/24 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.222.110.0/24 descr: Creating route for DITCO DISA origin: AS721 mnt-by: MAINT-PENT721 changed: rshibata [at] level3.net 20020919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.38.114.0/24 descr: Hub-specific class c origin: AS721 mnt-by: MAINT-PENT721 changed: jcassell [at] crcc.disa.mil 20020919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 214.3.184.0/21 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 214.16.64.0/19 descr: OSD Network origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070314 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 214.18.0.0/16 descr: customer HWDA ARMY block origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070215 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 214.19.0.0/16 descr: customer HQDA ARMY block origin: AS721 mnt-by: MAINT-PENT721 changed: raj.bindra [at] disa.mil 20070215 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source