These entries are queried from radb.net using whois, you can try my project getting these.
:AS1249 route: 64.254.160.0/20 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.19.64.0/18 descr: UMASS-NET2 descr: University of Massachusetts Amherst descr: Network Services and Systems descr: Lederle Graduate Research Center Lowrise descr: 740 N Pleasant St descr: Amherst, MA 01003-9306 descr: US origin: AS1249 notify: peterg [at] umass.edu mnt-by: MNT-UNIVER-6 changed: peterg [at] umass.edu 20161108 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.19.64.0/18 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.119.0.0/16 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.229.0.0/16 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.110.0.0/16 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.85.0.0/16 descr: Proxy-registered route object origin: AS1249 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 20060531 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.85.0.0/16 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.33.12.0/24 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.80.66.0/24 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.80.83.0/24 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.101.188.0/24 descr: Prolexic Technologies, Inc. origin: AS1249 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170924 #21:01:46Z source: RADB last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.189.138.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS1249 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.172.168.0/22 descr: Proxy-registered route object origin: AS1249 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 20070419 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:48e8:1000::/40 origin: AS1249 descr: UMASSNET - 2001:48e8:1000::/40 UMA AGGREGATE admin-c: JFD16-ARIN tech-c: ZU64-ARIN mnt-by: MNT-UNIVER-6 created: 2022-04-06T19:56:49Z last-modified: 2022-04-06T20:26:22Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source