These entries are queried from radb.net using whois, you can try my project getting these.
:AS2631 route: 8.15.227.0/24 descr: 8.15.227.0/24 for Discovery origin: AS2631 mnt-by: MAINT-AS2631 changed: christopher.gerber [at] level3.com 20060913 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.150.20.0/24 origin: AS2631 mnt-by: DISCOVERY-MNT changed: Vincenzo.DelleDonne [at] colt.net 20240117 source: LEVEL3 last-modified: 2024-01-17T11:58:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.0.0/20 descr: 198.147.0.0/20 for Discovery Channel origin: AS2631 mnt-by: MAINT-AS2631 changed: christopher.gerber [at] level3.com 20060913 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.0.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.4.0/23 descr: Akamai Technologies, Inc origin: AS2631 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.4.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.5.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.6.0/23 descr: PACNET (proxy-registered route object) origin: AS2631 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some PACNET peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100201 source: RADB last-modified: 2023-11-13T15:58:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.6.0/24 descr: PACNET (proxy-registered route object) origin: AS2631 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net for any related SPAM/abuse case + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20140311 source: RADB last-modified: 2023-11-13T15:58:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.7.0/24 descr: PACNET (proxy-registered route object) origin: AS2631 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net for any related SPAM/abuse case + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20140311 source: RADB last-modified: 2023-11-13T15:58:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.8.0/23 descr: Akamai Technologies, Inc origin: AS2631 mnt-by: MAINT-AS32787 source: RADB changed: ameyer [at] akamai.com 20211107 last-modified: 2023-11-13T16:13:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.8.0/23 descr: 198.147.8.0/23 for Discovery origin: AS2631 mnt-by: MAINT-AS2631 changed: matt.evens [at] level3.com 20091103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.8.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.9.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.10.0/24 descr: Proxy-registered route object origin: AS2631 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 20061022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.11.0/24 descr: To allow routing to other ISPs origin: AS2631 mnt-by: MAINT-AS7132 changed: Daniel.rueegg [at] intl.att.com 20220726 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.11.0/24 descr: Proxy-registered route object origin: AS2631 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 20061022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.12.0/24 descr: Proxy-registered route object origin: AS2631 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 20061022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.12.0/24 descr: To allow routing to other ISPs origin: AS2631 mnt-by: MAINT-AS7132 changed: daniel.rueegg [at] intl.att.com 20220811 source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.13.0/24 descr: Proxy-registered route object origin: AS2631 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 20061022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.14.0/24 descr: Proxy-registered route object origin: AS2631 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 20061022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.15.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.16.0/22 descr: 198.147.16/22 Route for Discovery Channel origin: AS2631 mnt-by: MAINT-AS2631 changed: christopher.gerber [at] level3.com 20060913 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.16.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z 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: 198.147.16.0/24 descr: 198.147.16.0/24 for Discovery origin: AS2631 mnt-by: MAINT-AS2631 changed: matt.evens [at] level3.com 20091103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.17.0/24 descr: Proxy-registered route object origin: AS2631 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 20070725 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.19.0/24 descr: Prolexic Technologies, Inc. origin: AS2631 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20171122 #22:30:00Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source