These entries are queried from radb.net using whois, you can try my project getting these.
:AS31 route: 131.215.0.0/16 descr: Proxy-registered route object origin: AS31 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 20021010 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.215.0.0/16 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:23:16Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 134.4.0.0/16 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:24:04Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 134.4.0.0/16 descr: California Institute of Technology Infrared Processing and Analysis Center 770 South Wilson Ave. Pasadena, CA 91125 origin: AS31 notify: noc [at] caltech.edu mnt-by: MAINT-AS31 changed: noc [at] caltech.edu 20020328 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.12.19.0/24 descr: Proxy-registered route object origin: AS31 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 20021010 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.12.19.0/24 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:25:23Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.31.43.0/24 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:25:59Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.31.43.0/24 descr: California Institute of Technology origin: AS31 notify: Prue [at] usc.edu notify: SandyG [at] usc.edu notify: ypyun [at] usc.edu mnt-by: MAINT-AS226 changed: ypyun [at] usc.edu 20090227 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.41.208.0/24 descr: Proxy-registered route object origin: AS31 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 20021010 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.41.208.0/24 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:24:48Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.43.243.0/24 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:26:31Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.54.249.0/24 descr: California Institute of Technology origin: AS31 mnt-by: MAINT-AS2150 changed: ccosta [at] cenic.org 20120319 #02:27:06Z source: RADB last-modified: 2023-11-13T15:42:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.100.16.0/24 descr: Caltech-OVRO origin: AS31 notify: Prue [at] usc.edu notify: SandyG [at] usc.edu mnt-by: MAINT-AS226 changed: Prue [at] usc.edu 20060404 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source