These entries are queried from radb.net using whois, you can try my project getting these.
:AS103 route: 8.28.178.0/23 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: tns-nt [at] ci.northwestern.edu 20111209 #17:29:52Z source: RADB last-modified: 2023-11-13T15:41:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 8.30.248.0/22 origin: AS103 descr: Northwestern University Evanston, IL remarks: Level3 allocation (now Lumen) mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20230928 #19:59:20Z source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.124.97.0/24 descr: Northwestern University Evanston, IL origin: AS103 remarks: Cogent provided mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20171203 #16:12:01Z source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 129.105.0.0/16 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #16:03:58(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.0.0/16 descr: Proxy-registered route object origin: AS103 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 20070321 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.0.0/16 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #16:10:43(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.0.0/17 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #16:10:43(UTC) changed: nsg-net [at] northwestern.edu 20080808 #01:02:25Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.128.0/19 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080808 #01:03:06Z changed: nsg-net [at] northwestern.edu 20080808 #01:03:37Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.160.0/20 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080808 #01:04:15Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.176.0/21 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080808 #01:04:46Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.184.0/22 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080808 #01:05:20Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.184.0/23 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20240318 # 1644Z source: RADB last-modified: 2024-03-18T16:44:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.186.0/24 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20240318 # 1844Z source: RADB last-modified: 2024-03-18T18:44:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.192.0/18 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080808 #01:05:55Z source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.192.0/19 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20100922 #17:00:05Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.224.0/21 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20100922 #17:06:09Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.232.0/22 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20100922 #17:07:11Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.124.240.0/20 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20100922 #17:08:24Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.5.143.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:02:51(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.85.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:03:31(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.86.0/23 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20180328 #14:53:45Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.86.0/24 descr: Proxy-registered route object origin: AS103 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 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.86.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:04:16(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.87.0/24 descr: Proxy-registered route object origin: AS103 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 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.87.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: tns-nt [at] ci.northwestern.edu 20120916 #13:56:25Z source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.31.155.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:06:24(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.31.253.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:07:01(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.74.64.0/18 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #16:26:50(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.165.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:09:35(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.166.0/23 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20180319 #16:02:16Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.166.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:10:54(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.166.0/24 descr: Proxy-registered route object origin: AS103 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 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.167.0/24 descr: Proxy-registered route object origin: AS103 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 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.167.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:11:33(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.168.0/23 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20180328 #14:52:50Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.168.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: nsg-net [at] northwestern.edu 20080317 #18:12:07(UTC) source: RADB last-modified: 2023-11-13T15:39:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.169.0/24 descr: Proxy-registered route object origin: AS103 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 20070501 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.249.169.0/24 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: tns-nt [at] ci.northwestern.edu 20120916 #13:53:06Z source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2000::/40 descr: Northwestern University Evanston, IL origin: AS103 mnt-by: MAINT-AS103 changed: tns-nt [at] ci.northwestern.edu 20120720 #18:13:36Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2000::/41 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:01:08Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2081::/48 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:03:00Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2082::/47 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:04:05Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2084::/46 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:10:44Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2088::/45 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:11:37Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:2090::/44 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:12:16Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:20a0::/43 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:13:13Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10d:20c0::/42 origin: AS103 descr: Northwestern University Evanston, IL mnt-by: MAINT-AS103 changed: data-network [at] northwestern.edu 20190205 #19:13:52Z source: RADB last-modified: 2023-11-13T15:55:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source